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Twin axis [001] and twin plane {011}, penetration and contact twins. Twinning on (111) was described by Nicol (1904), Goldschmidt and Nicol (1904) and Gaubert (1928), all of whom considered it rare.","Twinned prismatic marcasite crystals attached along pyrite octahedron edges from Rensselaer, Indiana (Brock and Slater, 1978). See also Rakovan et al. (1995).\r\n\r\nPyrite on chalcopyrite from Ege-Khay, Yakutia, Russia (Novgorodova 1977).","Typically cubic or pyritohedral (pentagonal dodecahedral), sometimes octahedral and combinations are common, resulting in striated faces. Less frequently octahedral, most commonly massive, granular, and sometimes radiating, reniform, discoidal or globular.",6,6.5,3,"1505","1520",100,"4.8","5","5.01","Metallic","Opaque","Greenish-black","Pale brass-yellow",[55,56],"yellow","black",[58,56],"green","Not fluorescent in UV","Indistinct on {001}.","Poor\u002FIndistinct","Irregular\u002FUneven,Conchoidal","brittle","Isotropic","Non-pleochroic","Creamy white","Rarely anisotropic, due to polishing effects.","(38.2) 400,\r\n(42.8) 440,\r\n(48.5) 480,\r\n(52.6) 520,\r\n(54.6) 560,\r\n(55.2) 600,\r\n(56.0) 640,\r\n(56.8) 680,\r\n(57.0) 700","Many pyrites will tarnish over time, and some will even break down iron sulphates and sulfuric acid. This can be mitigated somewhat by storage in low-humidity environments but is hard to stop once started. See \u003Cg>Pyrite Decay\u003C\u002Fg>.","Heated in a closed tube gives a sublimate of sulfur and a magnetic residue.","Insoluble in HCl. Decomposed by nitric acid.","Common in many rock types, igneous, metamorphic and sedimentary.","Pyrite Group.\r\n\r\nThe isometric (cubic) polymorph of orthorhombic marcasite. However, some pyrites may be trigonal (pseudo-cubic; Moëlo, 2023).\r\n\r\nCompare UM1997-43-S:Fe.\r\n\r\nPyrite is a very common mineral and is one of the most common natural sulfides ...","Named in antiquity from the Greek \"pyr\" for \"fire\", because sparks flew from it when struck with another mineral or metal. Known to Dioscorides (~50 CE) and mentioned in book 5 of his 5-volume work \"περι υληζ ιατρικηζ\" (transliteration: \"Peri hulēs iatrikēs\"), both meaning \"On Medical Material\". \"Purites lithos\" (an umbrella term for both pyrite and chalcopyrite) was used (together with honey) to treat skin problems.","2026-03-28 15:05:24",[77,82,86,90,94,97,100,104],{"id":78,"name":79,"entrytype":80,"csystem":11,"ima_formula":11,"mindat_formula":81,"hmin":11,"hmax":11,"dmeas":36,"dcalc":36,"primary_image_id":11},29212,"Arsenic-bearing Pyrite",2,"Fe(S,As)\u003Csub>2\u003C\u002Fsub>",{"id":83,"name":84,"entrytype":80,"csystem":11,"ima_formula":11,"mindat_formula":85,"hmin":11,"hmax":11,"dmeas":36,"dcalc":36,"primary_image_id":11},11102,"Cobalt-bearing Pyrite","(Fe,Co)S\u003Csub>2\u003C\u002Fsub>",{"id":87,"name":88,"entrytype":80,"csystem":11,"ima_formula":11,"mindat_formula":89,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},47710,"Copper-bearing 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· 8H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","2.67",27527,{"id":952,"name":953,"entrytype":9,"csystem":247,"ima_formula":954,"mindat_formula":955,"hmin":186,"hmax":43,"dmeas":956,"dcalc":957,"primary_image_id":958},4276,"Whewellite","Ca(C\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>) · H\u003Csub>2\u003C\u002Fsub>O","Ca(C\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>)·H\u003Csub>2\u003C\u002Fsub>O","2.21","2.22",27972,{"id":960,"name":961,"entrytype":9,"csystem":315,"ima_formula":962,"mindat_formula":963,"hmin":41,"hmax":41,"dmeas":964,"dcalc":965,"primary_image_id":966},7367,"Wiluite","Ca\u003Csub>19\u003C\u002Fsub>(Al,Mg)\u003Csub>13\u003C\u002Fsub>(B,◻,Al)\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>10\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(O,OH)\u003Csub>10\u003C\u002Fsub>","Ca\u003Csub>19\u003C\u002Fsub>MgAl\u003Csub>4\u003C\u002Fsub>(Al,Mg)\u003Csub>8\u003C\u002Fsub>(B,◻)\u003Csub>4\u003C\u002Fsub>◻[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]\u003Csub>4\u003C\u002Fsub>[(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>10\u003C\u002Fsub>]O(O,OH)\u003Csub>9\u003C\u002Fsub>","3.36","3.358",30977,[968],{"id":728,"name":729,"entrytype":9,"csystem":231,"ima_formula":15,"mindat_formula":15,"hmin":41,"hmax":42,"dmeas":730,"dcalc":731,"primary_image_id":732},[],40840,[972,975,978,981,984,987,990,993,996,999,1002,1005,1008,1011,1015,1019,1023,1026,1030,1033,1036,1040,1044,1048,1052,1056,1060,1064,1068,1072,1077,1081,1085,1089,1093,1096,1101,1105,1109,1112,1116,1120,1125,1130,1134,1138,1142,1145,1150,1155,1159,1163,1168,1172,1176,1181,1186,1191,1194,1198],{"id":973,"year":11,"html":974,"doi":11},18641252,"Kiskyras, D. A. (1943): Magnetic properties of the minerals of the system FeS-FeS2. Beiträge zur Angewandten Geophysik 10, 308-311.",{"id":976,"year":11,"html":977,"doi":11},19545474,"Bannister, F.A. (1933) The preservation of pyrites and marcasite. Museums Journal: 33: 72-75.",{"id":979,"year":11,"html":980,"doi":11},19545477,"Bannister, F.A., Sweet, J.M. (1943) The decomposition of pyrite. Museum Journal: 43: 8.",{"id":982,"year":11,"html":983,"doi":11},19545480,"Birker, I., Kaylor, J. (1986) Pyrite disease: case studies from the Redpath Museum; pp.21-27 in J. Waddington and D. M.  Rudkin (eds.), Proceedings of the 1985 Workshop on Care and Maintenance of Natural History Collections. Life Sciences Miscellaneous Publications.",{"id":985,"year":11,"html":986,"doi":11},19545483,"Buttler, C.J. (1994) Environmental effects on geological material: pyrite decay; pp. 4-8 in R. E. Child (ed.), Conservation of Geological Collections. 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Studies in Conservation: 22(2): 68-72.",{"id":1003,"year":11,"html":1004,"doi":11},19545501,"Rixon, A.E. (1976) The effects of the decomposition of iron pyrites within a specimen and methods used for its arrest. pp.139-152 in A. E. Rixon (ed.), Fossil Animal Remains: Their Preparation and Conservation. Athlone Press, London, 304 pp.",{"id":1006,"year":11,"html":1007,"doi":11},19545504,"Walker, R. (2001) Instability of iron sulfides on recently excavated artifacts. Studies in Conservation: 46(2): 141-152.",{"id":1009,"year":11,"html":1010,"doi":11},19545507,"Wang, X.H., Jiang, C.L., Raicher, A.M., Parekh, B.K., Leonard, J.W. (1992) Comparative studies of surface properties of pyrite from coal and ore sources. Proceedings of the Electrochemical Society: 92(17): 410-432.",{"id":1012,"year":1013,"html":1014,"doi":11},16120888,1725,"Henckel, J.F. (1725) Pyritologia, oder Kieß Historie. Verlegts Johann Christian Martini (Leipzig): 114-115.",{"id":1016,"year":1017,"html":1018,"doi":11},16120889,1893,"Stainier, X. (1893) Nodules de pyrite oolithique dans les couches de charbon. Bulletin de la Société belge de Géologie, 7, 179.",{"id":1020,"year":1021,"html":1022,"doi":11},16120890,1895,"Stainier, X. (1895) Note sur les cristaux de pyrite des charbonnages. Bulletin de la Société belge de Géologie, 9, 40.",{"id":1024,"year":1021,"html":1025,"doi":11},16120891,"Stainier, X. (1895) Curieux état moléculaire d'un cristal de pyrite. Bulletin de la Société belge de Géologie, 9, 43.",{"id":1027,"year":1028,"html":1029,"doi":11},16120892,1904,"de Dorlodot, L. (1904) Quelques observations sur les cubes de pyrite des quartzites reviniens. Annales de la Société géologique de Belgique, 31, M501.",{"id":1031,"year":1028,"html":1032,"doi":11},16120893,"Goldschmidt, V., Nicol, W. (1904) Spinellgesetz beim Pyrit und über Rangordnung der Zwillingsgesetze. Neues Jahrbuch für Mineralogie: 2: 93-113.",{"id":1034,"year":1028,"html":1035,"doi":11},16120894,"Nicol, W. (1904) Spinel twins of pyrite. American Journal of Science: 167: 93.",{"id":1037,"year":1038,"html":1039,"doi":11},519235,1924,"Ayres, Vincent L. (1924) Pyrite from Tucson, Arizona. \u003Ci>American Mineralogist\u003C\u002Fi>,  9 (4) 91-92 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM9\u002FAM9_91.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1041,"year":1042,"html":1043,"doi":11},16120896,1928,"Gaubert, P. (1928) Sur un cristal de pyrite, maclé suivant la loi des spinelles. Bulletin de la Société Française de Minéralogie: 51: 211-212.",{"id":1045,"year":1046,"html":1047,"doi":11},16120897,1931,"Onorato, E. (1931) Determinazione delle forme dirette ed inverse nella pirite. Periodico di Mineralogia: 13-16.",{"id":1049,"year":1050,"html":1051,"doi":11},16120899,1932,"Grillo, E. (1932) Distinzione tra pirite e marcasite con H2O2. Periodico di Mineralogia: 84-86.",{"id":1053,"year":1050,"html":1054,"doi":1055},7144,"Bannister, F. A. (1932) The distinction of pyrite from marcasite in nodular growths. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  23 (138) 179-187 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1932.023.138.04'>doi:10.1180\u002Fminmag.1932.023.138.04\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_23\u002F23-138-179.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1932.023.138.04",{"id":1057,"year":1058,"html":1059,"doi":11},520171,1934,"Buerger, M. J. (1934) The pyrite-marcasite relation. \u003Ci>American Mineralogist\u003C\u002Fi>,  19 (2) 37-61 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM19\u002FAM19_37.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1061,"year":1062,"html":1063,"doi":11},16120900,1935,"Donnay, J.D.H., Mélon, J. (1935) Faciès remarquable de cristaux de pyrite. Annales de la Société géologique de Belgique, LIX, B29.",{"id":1065,"year":1062,"html":1066,"doi":1067},2198935,"BRECH, F. (1935) Pyrites in Quartz. \u003Ci>Nature\u003C\u002Fi>, 135 (3422). 917 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002F135917a0'>doi:10.1038\u002F135917a0\u003C\u002Fa>","10.1038\u002F135917a0",{"id":1069,"year":1070,"html":1071,"doi":11},16120901,1936,"Schoep, A. (1936) Sur la formation des cristaux de pyriet des sphérosiderites du Houiller. Bulletin de la Société belge de Géologie: 46: 284.",{"id":1073,"year":1074,"html":1075,"doi":1076},105730,1941,"Heiremann, Fr. (1941) Die isomorphen Beziehungen von Μn, Zn, Co, Ni und Cu zu Pyrit und Magnetkies. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  103 (1-6). 168-177 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1941.103.1.168'>doi:10.1524\u002Fzkri.1941.103.1.168\u003C\u002Fa>","10.1524\u002Fzkri.1941.103.1.168",{"id":1078,"year":1079,"html":1080,"doi":11},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":1082,"year":1083,"html":1084,"doi":11},523125,1958,"Kopp, O. C., Kerr, P. F. (1958) Differential thermal analysis of pyrite and marcasite. \u003Ci>American Mineralogist\u003C\u002Fi>,  43 (11-12) 1079-1097 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM43\u002FAM43_1079.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1086,"year":1087,"html":1088,"doi":11},16120903,1966,"Love, L.G., Amstutz, G.C. (1966) Framboidal pyrite in two andesites. Neues Jahrbuch für Mineralogie, Monatshefte: 3: 97-108.",{"id":1090,"year":1091,"html":1092,"doi":11},524655,1967,"Gibbons, G. S. (1967) Optical anisotropy in pyrite. \u003Ci>American Mineralogist\u003C\u002Fi>,  52 (3-4) 359-370 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM52\u002FAM52_359.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1094,"year":1091,"html":1095,"doi":11},524735,"Frenzel, Gerhard, Bloss, F. Donald (1967) Cleavage in pyrite. \u003Ci>American Mineralogist\u003C\u002Fi>,  52 (7-8) 994-1002 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM52\u002FAM52_994.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1097,"year":1098,"html":1099,"doi":1100},1157686,1970,"Berner, R. A. (1970) Sedimentary pyrite formation. \u003Ci>American Journal of Science\u003C\u002Fi>,  268 (1) 1-23 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2475\u002Fajs.268.1.1'>doi:10.2475\u002Fajs.268.1.1\u003C\u002Fa>","10.2475\u002Fajs.268.1.1",{"id":1102,"year":1098,"html":1103,"doi":1104},180178,"Yund, R. A., Hall, H. T. (1970) Kinetics and Mechanism of Pyrite Exsolution from Pyrrhotite. \u003Ci>Journal of Petrology\u003C\u002Fi>,  11 (2) 381-404 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1093\u002Fpetrology\u002F11.2.381'>doi:10.1093\u002Fpetrology\u002F11.2.381\u003C\u002Fa>","10.1093\u002Fpetrology\u002F11.2.381",{"id":1106,"year":1107,"html":1108,"doi":11},525551,1971,"Pabst, A. (1971) Pyrite of unusual habit simulating twinning from the Green River formation of Wyoming. \u003Ci>American Mineralogist\u003C\u002Fi>,  56 (1-2) 133-145 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM56\u002FAM56_133.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1110,"year":1107,"html":1111,"doi":11},16120906,"Love, L.G. (1971) Early diagenetic polyframboidal pyrite, primary and redeposited, from the Wenlockian Denbigh Grit Group, Conway, North Wales, U.K. Journal of Sedimentary Petrology: 41: 1038-1044.",{"id":1113,"year":1114,"html":1115,"doi":11},526143,1973,"Endo, Yuji, Sunagawa, Ichiro (1973) Positive and negative striations in pyrite. \u003Ci>American Mineralogist\u003C\u002Fi>,  58 (9-10) 930-935 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM58\u002FAM58_930.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1117,"year":1114,"html":1118,"doi":1119},230751,"Sweeney, R. E., Kaplan, I. R. (1973) Pyrite Framboid Formation; Laboratory Synthesis and Marine Sediments. \u003Ci>Economic Geology\u003C\u002Fi>,  68 (5) 618-634 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgsecongeo.68.5.618'>doi:10.2113\u002Fgsecongeo.68.5.618\u003C\u002Fa>","10.2113\u002Fgsecongeo.68.5.618",{"id":1121,"year":1122,"html":1123,"doi":1124},16592762,1974,"Lutz, H. D.; Willich, P. (1974) Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS\u003Csub>2\u003C\u002Fsub>, FeS\u003Csub>2\u003C\u002Fsub> und NiS\u003Csub>2\u003C\u002Fsub>. \u003Ci>Zeitschrift für anorganische und allgemeine Chemie\u003C\u002Fi>,  405 (2). 176-182 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fzaac.19744050207'>doi:10.1002\u002Fzaac.19744050207\u003C\u002Fa>","10.1002\u002Fzaac.19744050207",{"id":1126,"year":1127,"html":1128,"doi":1129},109016,1975,"Fleet, M. E. (1975) Structural chemistry of marcasite and pyrite type phases. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  142 (5-6). 332 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1975.142.5-6.332'>doi:10.1524\u002Fzkri.1975.142.5-6.332\u003C\u002Fa>","10.1524\u002Fzkri.1975.142.5-6.332",{"id":1131,"year":1132,"html":1133,"doi":11},526958,1977,"Bayliss, Peter (1977) Crystal structure refinement of a weakly anisotropic pyrite. \u003Ci>American Mineralogist\u003C\u002Fi>,  62 (11-12) 1168-1172 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM62\u002FAM62_1168.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1135,"year":1132,"html":1136,"doi":1137},303959,"Novgorodova, M. I. (1977) A case of epitaxial growth of pyrite crystals on chalcopyrite. \u003Ci>International Geology Review\u003C\u002Fi>,  19 (12) 1457-1460 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F00206817709471160'>doi:10.1080\u002F00206817709471160\u003C\u002Fa>","10.1080\u002F00206817709471160",{"id":1139,"year":1140,"html":1141,"doi":11},527003,1978,"Brock, Kenneth J., Slater, Larry D. (1978) Epitaxial marcasite on pyrite from Rensselaer, Indiana. \u003Ci>American Mineralogist\u003C\u002Fi>,  63 (1-2) 210-212 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM63\u002FAM63_210.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1143,"year":1140,"html":1144,"doi":11},12907246,"Gait, Robert I. (1978) The Crystals Forms of Pyrite. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 9 (4) 219-229",{"id":1146,"year":1147,"html":1148,"doi":1149},3024,1979,"Ostwald, Joseph, England, Brian M. (1979) The relationship between euhedral and framboidal pyrite in base-metal sulphide ores. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  43 (326) 297-300 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1979.043.326.13'>doi:10.1180\u002Fminmag.1979.043.326.13\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_43\u002F43-326-297.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1979.043.326.13",{"id":1151,"year":1152,"html":1153,"doi":1154},1159694,1982,"Raiswell, R. (1982) Pyrite texture, isotopic composition and the availability of iron. \u003Ci>American Journal of Science\u003C\u002Fi>,  282 (8) 1244-1263 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2475\u002Fajs.282.8.1244'>doi:10.2475\u002Fajs.282.8.1244\u003C\u002Fa>","10.2475\u002Fajs.282.8.1244",{"id":1156,"year":1157,"html":1158,"doi":11},16145521,1986,"Gait, R. I., Dumka, D. (1986) Morphology of pyrite from the Nanisivik mine, Baffin Island, Northwest Territories. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  24 (4) 685-688 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM24_685.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1160,"year":1161,"html":1162,"doi":11},528759,1989,"Bayliss, Peter (1989) Crystal chemistry and crystallography of some minerals within the pyrite group. \u003Ci>American Mineralogist\u003C\u002Fi>,  74 (9-10) 1168-1176 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM74\u002FAM74_1168.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":1164,"year":1165,"html":1166,"doi":1167},343665,1991,"Schoonen, M. A. A., Barnes, H. L. (1991) Reactions forming pyrite and marcasite from solution: I. Nucleation of FeS2 below 100°C. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  55 (6) 1495-1504 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(91)90122-l'>doi:10.1016\u002F0016-7037(91)90122-l\u003C\u002Fa>","10.1016\u002F0016-7037(91)90122-l",{"id":1169,"year":1165,"html":1170,"doi":1171},343667,"Schoonen, M. A. A., Barnes, H. L. (1991) Reactions forming pyrite and marcasite from solution: II. Via FeS precursors below 100°C. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  55 (6) 1505-1514 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(91)90123-m'>doi:10.1016\u002F0016-7037(91)90123-m\u003C\u002Fa>","10.1016\u002F0016-7037(91)90123-m",{"id":1173,"year":1165,"html":1174,"doi":1175},343502,"Schoonen, M.A.A, Barnes, H.L (1991) Mechanisms of pyrite and marcasite formation from solution: III. Hydrothermal processes. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  55 (12) 3491-3504 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(91)90050-f'>doi:10.1016\u002F0016-7037(91)90050-f\u003C\u002Fa>","10.1016\u002F0016-7037(91)90050-f",{"id":1177,"year":1178,"html":1179,"doi":1180},1884,1993,"Craig, James R., Vokes, Frank M. (1993) The metamorphism of pyrite and pyritic ores: an overview. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  57 (386) 3-18 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1993.057.386.02'>doi:10.1180\u002Fminmag.1993.057.386.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_57\u002F57-386-3.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1993.057.386.02",{"id":1182,"year":1183,"html":1184,"doi":1185},152193,1994,"Libowitzky, Eugen (1994) Anisotropic pyrite: A polishing effect. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  21 (1)  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00205220'>doi:10.1007\u002Fbf00205220\u003C\u002Fa>","10.1007\u002Fbf00205220",{"id":1187,"year":1188,"html":1189,"doi":1190},345572,1995,"Rakovan, John, Schoonen, Martin A. A., Reeder, Richard J., Tyrna, Paul, Nelson, Daniel O. (1995) Epitaxial overgrowths of marcasite on pyrite from the Tunnel and Reservoir Project, Chicago, Illinois, USA: Implications for marcasite growth. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  59 (2) 343-346 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(94)00320-l'>doi:10.1016\u002F0016-7037(94)00320-l\u003C\u002Fa>","10.1016\u002F0016-7037(94)00320-l",{"id":1192,"year":1188,"html":1193,"doi":11},12908776,"Richards, R. Peter, Clopton, Edwin L., Jaszczak, John A. (1995) Pyrite and Marcasite Intergrowths from Northern Illinois, in \u003Ci>March - April 1995\u003C\u002Fi>. \u003Ci>The Mineralogical Record\u003C\u002Fi>,  26 (2) Tucson. 129-138",{"id":1195,"year":1196,"html":1197,"doi":11},16120919,1996,"Weise, C., publisher (1996) Pyrit und Markasit, extraLapis No. 11: Das eiserne Überall-Mineral. Weise-Verlag, München.",{"id":1199,"year":1196,"html":1200,"doi":1201},393391,"Dodony, Istvan, Posfal, Mihaly, Buseck, Peter R. (1996) Structural relationship between pyrite and marcasite. \u003Ci>American Mineralogist\u003C\u002Fi>,  81 (1) 119-125 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-1996-1-215'>doi:10.2138\u002Fam-1996-1-215\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol81\u002FAM81_119.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-1996-1-215",[1203,1213,1220,1227,1237,1245,1254,1263,1272,1281,1289,1297,1306,1313,1321,1328,1335,1342,1351,1361,1369,1378,1386,1395,1402,1406,1415,1424,1428,1437,1445,1453,1460,1469,1478,1485,1493,1499,1507,1515,1521,1527,1536,1544,1550,1558,1565,1572,1582,1590,1597,1605,1612,1618,1624,1630,1636,1645,1651,1657,1665,1671,1677,1683,1688,1695,1701,1707,1713,1721,1728,1736,1746,1753,1760,1766,1773,1782,1790,1799,1807,1815,1820,1828,1837,1843,1849,1854,1861,1867,1875,1882,1888,1894,1900,1906,1913,1919,1928,1935,1942,1949,1956,1963,1971,1976,1981,1989,1996,2002,2008,2017,2024,2032,2039,2046,2053,2058,2066,2074,2081,2088,2095,2101,2108,2117,2125,2132,2139,2145,2150,2158,2163,2172,2180,2187,2193,2201,2208,2215,2221,2227,2233,2239,2247,2253,2259,2267,2273,2280,2287,2293,2300,2306,2313,2320,2327,2335,2342],{"id":1204,"source_url":1205,"license_code":1206,"credit_html":1207,"title":1208,"description":1209,"author":1210,"original_width":1211,"original_height":1212},20239,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6361844","CC BY-SA 4.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6361844\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite elbe.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa> \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRio_Marina\" class=\"extiw\" title=\"en:Rio Marina\">Rio Marina\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FElba_Island\" class=\"extiw\" title=\"en:Elba Island\">Elba Island\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FProvince_of_Livorno\" class=\"extiw\" title=\"en:Province of Livorno\">Livorno Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTuscany\" class=\"extiw\" title=\"en:Tuscany\">Tuscany\u003C\u002Fa>, Italy\u003C\u002Fdd>\n\u003Cdd>Size : 12 x 9.5 x 5.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",5196,3376,{"id":1214,"source_url":1215,"license_code":1216,"credit_html":1217,"title":7,"description":11,"author":11,"original_width":1218,"original_height":1219},30543,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119230","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119230\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":1221,"source_url":1222,"license_code":1206,"credit_html":1223,"title":1224,"description":1225,"author":1210,"original_width":1226,"original_height":355},20240,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7013384","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7013384\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite huaron octaedre.jpg","Pyrite - Huaron Mines, Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru (8x8cm)",4592,{"id":1228,"source_url":1229,"license_code":1230,"credit_html":1231,"title":1232,"description":1233,"author":1234,"original_width":1235,"original_height":1236},75774,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=20599919","CC BY-SA 3.0","Claus Ableiter, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=20599919\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Schwefelkies, Silberberg, Bodenmais.JPG","Pyrite, one of the 60 minerals of the silver mines in Bodenmais, Bavarian Forest, in the museum room of the Bersucherbergwerk Silberberg","Claus Ableiter",3428,2256,{"id":1238,"source_url":1239,"license_code":1230,"credit_html":1240,"title":1241,"description":1242,"author":1243,"original_width":1244,"original_height":574},20241,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7186000","JJ Harrison (https:\u002F\u002Fwww.jjharrison.com.au\u002F), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7186000\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite from Ampliación a Victoria Mine, Navajún, La Rioja, Spain 2.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa> from Ampliación a Victoria Mine, Navajún, La Rioja, Spain.","JJ Harrison (https:\u002F\u002Fwww.jjharrison.com.au\u002F)",1344,{"id":1246,"source_url":1247,"license_code":1230,"credit_html":1248,"title":1249,"description":1250,"author":1251,"original_width":1252,"original_height":1253},75775,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=25533698","Mauro Cateb, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=25533698\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","2 Pyrite crystals.JPG","Length: about 25 mm each. Origin: Brazil","Mauro Cateb",2693,2160,{"id":1255,"source_url":1256,"license_code":1206,"credit_html":1257,"title":1258,"description":1259,"author":1260,"original_width":1261,"original_height":1262},20242,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=76295003","Uoaei1, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=76295003\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrit 01.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"w:Pyrite\">Pyrite\u003C\u002Fa> (\u003Ci>Fool's Gold\u003C\u002Fi>). The maximum diameter of this specimen is 52 millimetres (2.0 in).","Uoaei1",6000,4500,{"id":1264,"source_url":1265,"license_code":1206,"credit_html":1266,"title":1267,"description":1268,"author":1269,"original_width":1270,"original_height":1271},20243,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82083765","rockandmineralplanet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82083765\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite Sphere.jpg","This is an example of a pyrite sphere.  The ball is roughly 2 inches in diameter.","rockandmineralplanet.com",621,742,{"id":1273,"source_url":1274,"license_code":1206,"credit_html":1275,"title":1276,"description":1277,"author":1278,"original_width":1279,"original_height":1280},20244,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=99444453","Ivar Leidus, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=99444453\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite - Huanzala mine, Huallanca, Bolognesi, Ancash, Peru.jpg","Cubic crystals of pyrite (7.0 × 5.0 × 2.5 cm). Found from Huanzala mine, Huallanca, Bolognesi, Ancash, Peru","Ivar Leidus",5500,7000,{"id":1282,"source_url":1283,"license_code":1206,"credit_html":1284,"title":1285,"description":1286,"author":1287,"original_width":1288,"original_height":1288},20245,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129600064","Raimond Spekking, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129600064\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-8859.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>","Raimond Spekking",2816,{"id":1290,"source_url":1291,"license_code":1206,"credit_html":1292,"title":1293,"description":1294,"author":1295,"original_width":1296,"original_height":558},75781,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113716272","Koreller, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113716272\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Muséum de Nantes - 047 - Pyrite.jpg","Pyrite, au Muséum de Nantes","Koreller",1764,{"id":1298,"source_url":1299,"license_code":1206,"credit_html":1300,"title":1301,"description":1302,"author":1303,"original_width":1304,"original_height":1305},75784,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146979378","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146979378\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite and chert 03.jpg","Pyrite and chert from Hunneberg, Harz, Germany","Kritzolina",3640,2427,{"id":1307,"source_url":1308,"license_code":1206,"credit_html":1309,"title":1310,"description":1302,"author":1303,"original_width":1311,"original_height":1312},75785,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146979379","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146979379\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite and chert 02.jpg",4080,2720,{"id":1314,"source_url":1315,"license_code":1206,"credit_html":1316,"title":1317,"description":1318,"author":1319,"original_width":1320,"original_height":1320},75786,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536390","W.carter, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536390\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite crystals 2.jpg","Pyrite crystals. Displayed on an upside-down drinking glass (for size). Studio photography in Vibble, Visby, Gotland, Sweden.","W.carter",1057,{"id":1322,"source_url":1323,"license_code":1206,"credit_html":1324,"title":1325,"description":1318,"author":1319,"original_width":1326,"original_height":1327},75787,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536391","W.carter, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536391\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite crystals 3.jpg",1280,960,{"id":1329,"source_url":1330,"license_code":1206,"credit_html":1331,"title":1332,"description":1318,"author":1319,"original_width":1333,"original_height":1334},75788,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536392","W.carter, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536392\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite crystals 1.jpg",1444,812,{"id":1336,"source_url":1337,"license_code":1206,"credit_html":1338,"title":1339,"description":1318,"author":1319,"original_width":1340,"original_height":1341},75789,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536396","W.carter, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157536396\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite crystals 4.jpg",1400,933,{"id":1343,"source_url":1344,"license_code":1216,"credit_html":1345,"title":1346,"description":1347,"author":1348,"original_width":1349,"original_height":1350},75791,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=159652448","Artyom Svetlov, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=159652448\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Moscow State University pyrite 2014-01 1389529906.JPG","pyrite","Artyom Svetlov",3072,2048,{"id":1352,"source_url":1353,"license_code":1354,"credit_html":1355,"title":1356,"description":1357,"author":1358,"original_width":1359,"original_height":1360},23937,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482641","CC0 1.0","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482641\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tetrahedrite with pyrite (GeoDIL number - 1243).jpg","Tetrahedrite (most of the top surface of this specimen) is a grayish-black mineral, essentially (CuFe)12Sb4S13, often containing other elements. If you look closely, you can see that it is mixed with brass colored pyrite in this sample. The specimen is about 14 cm across.","Darla Sondrol",2374,1788,{"id":1362,"source_url":1363,"license_code":1354,"credit_html":1364,"title":1365,"description":1366,"author":1358,"original_width":1367,"original_height":1368},23939,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482660","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482660\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite and tetrahedrite (GeoDIL number - 1249).jpg","This specimen contains mostly pyrite, FeS2. It is brassy colored and many of the crystals show striations on their faces. Some darker colored tetrahedrite, Cu12Sb4S13(copper antimony sulfide), is also present, as are a few glassy quartz crystals. The picture is 15 cm across.",3040,2016,{"id":1370,"source_url":1371,"license_code":1216,"credit_html":1372,"title":1373,"description":1374,"author":1375,"original_width":1376,"original_height":1377},31135,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73260617","Boris Lobastov, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73260617\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crushed pyrite crystal.jpg","Crushed pyrite crystal","Boris Lobastov",3507,3506,{"id":1379,"source_url":1380,"license_code":1216,"credit_html":1381,"title":1382,"description":1383,"author":1384,"original_width":1385,"original_height":1385},39966,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=103943550","Masha Milshina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=103943550\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rainbow-Pyrite.jpg","Crystals of pyrite with iridescent tints and transparent crystals of diopside on green chrome-grossular. Bazhenovskoye field, Sverdlovsk region, Middle Urals, Russia. The field of view is 1.9 mm.","Masha Milshina",3379,{"id":1387,"source_url":1388,"license_code":1230,"credit_html":1389,"title":1390,"description":1391,"author":1392,"original_width":1393,"original_height":1394},52354,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867182","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867182\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-237953.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hendrik-Emma dumps, Brunssum, Limburg, Netherlands\u003C\u002Fdd>\n\u003Cdd>For this locality very nice Pyrite crystals on Dickite. Field of view 5mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",854,619,{"id":1396,"source_url":1397,"license_code":1230,"credit_html":1398,"title":1399,"description":1391,"author":1392,"original_width":1400,"original_height":1401},52355,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867183","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867183\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-237954.jpg",763,639,{"id":1403,"source_url":1404,"license_code":1216,"credit_html":1405,"title":7,"description":11,"author":11,"original_width":1218,"original_height":1219},29104,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119033","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119033\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":1407,"source_url":1408,"license_code":1206,"credit_html":1409,"title":1410,"description":1411,"author":1412,"original_width":1413,"original_height":1414},10949,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56783826","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56783826\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Phlogopite, haüyne, pyrite 1.jpg","mica var. phlogopite, haüyne, pyrite : Ladjuar Medam (Lajur Madan ; Lapis-lazuli Mine ; Lapis-lazuli deposit), Sar-e Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province), Afghanistan","Géry PARENT",1981,1282,{"id":1416,"source_url":1417,"license_code":1230,"credit_html":1418,"title":1419,"description":1420,"author":1421,"original_width":1422,"original_height":1423},14911,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160735","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160735\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Luzonite-Pyrite-210858.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLuzonite\" class=\"extiw\" title=\"en:Luzonite\">Luzonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pen-Shan Ore Body, Chinkuahshih Mine, Jui-Fang Town, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaipei_County\" class=\"extiw\" title=\"en:Taipei County\">Taipei County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaiwan_Province\" class=\"extiw\" title=\"en:Taiwan Province\">Taiwan Province\u003C\u002Fa>, Taiwan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8084.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.0 x 3.6 x 2.9 cm.\u003C\u002Fdd>\n\u003Cdd>Luzonite is an uncommon copper, arsenic sulfosalt. This fine, rich, 3-dimensional specimen of nearly solid, reddish-gray, metallic-lustre luzonite crystals to 5 mm is nicely accented by a scattering of pyrite crystals. Luzonite is especially desirable from this now defunct quarry in Taiwan. Very rich, highly representative material of this uncommon species from this extinct locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,478,{"id":1425,"source_url":1426,"license_code":1216,"credit_html":1427,"title":422,"description":11,"author":11,"original_width":1218,"original_height":1219},29427,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F106972","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F106972\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":1429,"source_url":1430,"license_code":1230,"credit_html":1431,"title":1432,"description":1433,"author":1434,"original_width":1435,"original_height":1436},11116,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=53247735","CEphoto, Uwe Aranas, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=53247735\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrit-with-hematite-01.jpg","A pyrite with crystals of hematite","CEphoto, Uwe Aranas",4865,3243,{"id":1438,"source_url":1439,"license_code":1216,"credit_html":1440,"title":1441,"description":1347,"author":1442,"original_width":1443,"original_height":1444},75776,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=79366521","Алексей Четверухин и Дарья Филатова, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=79366521\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Золото дураков.jpg","Алексей Четверухин и Дарья Филатова",3791,2576,{"id":1446,"source_url":1447,"license_code":1206,"credit_html":1448,"title":1449,"description":1450,"author":1295,"original_width":1451,"original_height":1452},75780,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113716255","Koreller, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113716255\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Muséum de Nantes - 034 - Pyrite, minerai de soufre.jpg","Pyrite, minerai de soufre, au Muséum de Nantes",2004,1728,{"id":1454,"source_url":1455,"license_code":1206,"credit_html":1456,"title":1457,"description":1450,"author":1295,"original_width":1458,"original_height":1459},75782,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113717346","Koreller, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113717346\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Muséum de Nantes - 056 - Pyrite, minerai de soufre.jpg",3440,2520,{"id":1461,"source_url":1462,"license_code":1206,"credit_html":1463,"title":1464,"description":1465,"author":1466,"original_width":1467,"original_height":1468},2086,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=116230848","Motekov, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=116230848\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Arsenopyrite, Galenite, Pyrite, Schalerite (Enyovche, E. Rhodopes) - Collection of V. Breskovska at Sofia University 'St. Kliment Ohridski' Museum of Mineralogy, Petrology and Mineral Resources.jpg","Arsenopyrite, Galena, Pyrite, Sphalerite (Enyovche, E. Rhodopes) - Collection of V. Breskovska at the  Sofia University 'St. Kliment Ohridski' Museum of Mineralogy, Petrology and Mineral Resources","Motekov",4160,3120,{"id":1470,"source_url":1471,"license_code":1472,"credit_html":1473,"title":1474,"description":1475,"author":1412,"original_width":1476,"original_height":1477},313,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5444083","Public domain","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5444083\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite, pyrite, calcite.jpg","afghanite, pyrite, calcite : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan",4288,2848,{"id":1479,"source_url":1480,"license_code":1472,"credit_html":1481,"title":1482,"description":1483,"author":1484,"original_width":1476,"original_height":1477},314,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6301176","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6301176\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite et pyrite (Afghanistan) 1.jpg","afghanite, lazurite, pyrite, calcite : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan","Parent Géry",{"id":1486,"source_url":1487,"license_code":1230,"credit_html":1488,"title":1489,"description":1490,"author":1484,"original_width":1491,"original_height":1492},316,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959190","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959190\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite, pyrite, calcite 2.jpeg","afghanite, pyrite, calcite : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan - afghanite : 35 mm",3653,2677,{"id":307,"source_url":1494,"license_code":1206,"credit_html":1495,"title":1496,"description":1497,"author":1287,"original_width":1498,"original_height":1498},"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130003846","Raimond Spekking, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130003846\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite, Pyrite. Gjaidtroghöhe, Großes Fließtal, Austria-9074.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAfghanite\" class=\"extiw\" title=\"en:Afghanite\">Afghanite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa> (Weight: 42.06 g) – Place of discovery: Gjaidtroghöhe, Großes Fließtal, Austria",4364,{"id":1500,"source_url":1501,"license_code":1230,"credit_html":1502,"title":1503,"description":1504,"author":1421,"original_width":1505,"original_height":1506},431,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=52008304","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=52008304\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Aikinite, Pyrite-633992.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAikinite\" class=\"extiw\" title=\"en:Aikinite\">Aikinite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boss Mountain Mine, Williams Lake, Cariboo Mining Division, British Columbia, Canada\u003C\u002Fdd>\n\u003Cdd>Size: 5.2 cm x 2.3 cm x 2.3 cm\u003C\u002Fdd>\n\u003Cdd>Aikinite is a relatively uncommon lead, copper, bismuth sulfosalt. It is very rare from this obscure molybdenum mine, where specimens of any species are rare. A couple bright, silvery-black, prismatic aikinite crystals to 1.0 cm with pyrite are embedded in one end of the quartz-rich core. Rare and desirable material from this mine from the Art Soregaroli Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",465,596,{"id":1508,"source_url":1509,"license_code":1230,"credit_html":1510,"title":1511,"description":1512,"author":1421,"original_width":1513,"original_height":1514},1003,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160702","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160702\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alumohydrocalcite-Pyrite-210782.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlumohydrocalcite\" class=\"extiw\" title=\"en:Alumohydrocalcite\">Alumohydrocalcite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Piast Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNowa_Ruda\" class=\"extiw\" title=\"en:Nowa Ruda\">Nowa Ruda\u003C\u002Fa>, Kłodzko District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLower_Silesia\" class=\"extiw\" title=\"en:Lower Silesia\">Lower Silesia (Dolnośląskie)\u003C\u002Fa>, Poland (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-133950.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.6 x 3.5 x 1.9 cm.\u003C\u002Fdd>\n\u003Cdd>Alumohydrocalcite is an uncommon hydrated calcium aluminum carbonate. This fine old-time specimen features pink, tufted balls of alumohydrocalcite to 2 mm nicely perched on pyrite and other sulfides on quartz-rich matrix. This classic and historic specimen is from a very uncommon locality – Neurode, Silesia, Poland. Accompanied by an old, faded Ward's label that incorrectly identifies this as pharmacolite. The collection this came out of was a museum stash dating to prior to World War I.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",700,658,{"id":1516,"source_url":1517,"license_code":1230,"credit_html":1518,"title":1519,"description":1512,"author":1421,"original_width":1422,"original_height":1520},1004,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160704","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160704\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alumohydrocalcite-Pyrite-210783.jpg",516,{"id":1522,"source_url":1523,"license_code":1472,"credit_html":1524,"title":1525,"description":1526,"author":1412,"original_width":1476,"original_height":1477},2085,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10652634","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10652634\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Arsenopyrite, pyrite.jpg","arsenopyrite, pyrite : Santa Eulalia District, Mun. de Aquilles Serdán, Chihuahua, Mexico",{"id":1528,"source_url":1529,"license_code":1472,"credit_html":1530,"title":1531,"description":1532,"author":1533,"original_width":1534,"original_height":1535},3359,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27769329","Edoardo Mazzola, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27769329\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bismuthinite, Pyrite-422940.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBismuthinite\" class=\"extiw\" title=\"en:Bismuthinite\">Bismuthinite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Beura Quarries, Beura-Cardezza, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy\u003C\u002Fdd>\n\u003Cdd>Bismutinite with curious crystallization of pyrite crystal size of 1 mm. Photos and collectors Edoardo Mazzola\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Edoardo Mazzola",850,638,{"id":1537,"source_url":1538,"license_code":1472,"credit_html":1539,"title":1540,"description":1541,"author":1542,"original_width":1543,"original_height":1543},3796,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1955997","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1955997\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brannerite in rock with pyrite Titanium uranium thorium calcium iron rare earth oxide Algom Nordic Mine, Elliot Lake, Ontario, Canada.jpg","These mineral images are free to use how you wish.","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com",800,{"id":1545,"source_url":1546,"license_code":1472,"credit_html":1547,"title":1548,"description":1541,"author":1542,"original_width":1549,"original_height":1549},3797,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956155","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956155\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Normal Brannerite in rock with pyrite Titanium uranium thorium calcium iron rare earth oxide Algom Nordic Mine, Elliot Lake, Ontario, Canada.jpg",400,{"id":1551,"source_url":1552,"license_code":1206,"credit_html":1553,"title":1554,"description":1555,"author":1303,"original_width":1556,"original_height":1557},3821,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146538159","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146538159\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Limonite pseudomorph after pyrite 01.jpg","Limonite pseudomorph after pyrite from Bieliger Tal, Wallis, Switzerland",3983,2656,{"id":1559,"source_url":1560,"license_code":1230,"credit_html":1561,"title":1562,"description":1563,"author":1421,"original_width":1505,"original_height":1564},6075,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12481512","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12481512\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Coloradoite, Pyrite, Quartz-338840.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColoradoite\" class=\"extiw\" title=\"en:Coloradoite\">Coloradoite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bessie G Mine, La Plata District (California District), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLa_Plata_County,_Colorado\" class=\"extiw\" title=\"en:La Plata County, Colorado\">La Plata County, Colorado\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8670.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 10.1 x 4.7 x 2.8 cm\u003C\u002Fdd>\n\u003Cdd>Coloradoite is a rare mercury telluride named for the type localities which are in Colorado. It is found in hydrothermal, tellurium bearing precious metal veins. Crystals and platelets of grayish-black coloradoite, accented with brassy, microcrystalline pyrite richly cover the sculptural vein matrix of quartz. Very seldom will you see a coloradoite specimen in cabinet size quality and richness.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",417,{"id":1566,"source_url":1567,"license_code":1230,"credit_html":1568,"title":1569,"description":1570,"author":1421,"original_width":1549,"original_height":1571},6111,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149521","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149521\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Colusite-Pyrite-169842.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColusite\" class=\"extiw\" title=\"en:Colusite\">Colusite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: West Colusa Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FButte\" class=\"extiw\" title=\"en:Butte\">Butte\u003C\u002Fa>, Butte District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSilver_Bow_County,_Montana\" class=\"extiw\" title=\"en:Silver Bow County, Montana\">Silver Bow County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMontana\" class=\"extiw\" title=\"en:Montana\">Montana\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-21340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.7 x 4.8 x 3.1 cm.\u003C\u002Fdd>\n\u003Cdd>This is an incredibly rich specimen for this rare species. It comes from the collection of Colorado Bureau of Mines geologist Stanley Korozel via dealer Josef Vajdak, who was until recently on his retirement one of the more noted dealers in rarities. This was said to have been collected in the 1960's. Lustrous, metallic, gray crystals of colusite, to .8 cm in length, are associated with brassy crystals of pyrite, of similar size. Colusite is a rare copper, vanadium, arsenic, tin, antimony sulfide. The entire knob wrapping around the top is SOLID, crystallized colusite with a crystallized region of over 3 x 3 cm.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",336,{"id":1573,"source_url":1574,"license_code":1575,"credit_html":1576,"title":1577,"description":1578,"author":1579,"original_width":1580,"original_height":1581},6555,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85146574","CC BY 2.0","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85146574\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-chalcopyrite (Zacatecas, Mexico) 4.jpg","Pyrite-chalcopyrite mass from Mexico.\n\u003Cp>Brassy gold = pyrite (FeS2 - iron sulfide)\nBluish-purplish = artificially tarnished chalcopyrite (CuFeS2 - copper iron sulfide)\n\u003C\u002Fp>\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are about 5500 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>The sulfide minerals contain one or more sulfide anions (S-2).  The sulfides are usually considered together with the arsenide minerals, the sulfarsenide minerals, and the telluride minerals.  Many sulfides are economically significant, as they occur commonly in ores.  The metals that combine with S-2 are mainly Fe, Cu, Ni, Ag, etc.  Most sulfides have a metallic luster, are moderately soft, and are noticeably heavy for their size.  These minerals will not form in the presence of free oxygen.  Under an oxygen-rich atmosphere, sulfide minerals tend to chemically weather to various oxide and hydroxide minerals.\n\u003C\u002Fp>\u003Cp>Pyrite is a common iron sulfide mineral (FeS2).  It’s nickname is “fool's gold”.  Pyrite has a metallic luster, brassy gold color (in contrast to the deep rich yellow gold color of true gold - www.flickr.com\u002Fphotos\u002Fjsjgeology\u002Fsets\u002F72157651325153769\u002F), dark gray to black streak, is hard (H=6 to 6.5), has no cleavage, and is moderately heavy for its size.  It often forms cubic crystals or pyritohedrons (crystals having pentagonal faces).\n\u003C\u002Fp>\u003Cp>Pyrite is common in many hydrothermal veins, shales, coals, various metamorphic rocks, and massive sulfide deposits.\n\u003C\u002Fp>\u003Cp>Chalcopyrite is a copper iron sulfide mineral (CuFeS2).  Chalcopyrite has a metallic luster, a deep yellowish-brassy color, a dark gray streak, a hardness of about 3.5 to 4, and no cleavage.  Many specimens have a multicolored iridescent tarnish, which can be artificially produced by exposure to certain chemicals (often acid) - the above specimen is an example of this.  Chalcopyrite is an important copper ore mineral.\n\u003C\u002Fp>\u003Cp>Locality: undisclosed\u002Funrecorded site in Zacatecas State, central Mexico\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of chalcopyrite:\n\u003C\u002Fp>\nwww.mindat.org\u002Fgallery.php?min=955","James St. John",2565,2664,{"id":1583,"source_url":1584,"license_code":1230,"credit_html":1585,"title":1586,"description":1587,"author":1421,"original_width":1588,"original_height":1589},7205,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162227","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162227\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chalcopyrite-Rhodochrosite-Pyrite-221158.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRhodochrosite\" class=\"extiw\" title=\"en:Rhodochrosite\">Rhodochrosite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSphalerite\" class=\"extiw\" title=\"en:Sphalerite\">Sphalerite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKutnohorite\" class=\"extiw\" title=\"en:Kutnohorite\">Kutnohorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDickite\" class=\"extiw\" title=\"en:Dickite\">Dickite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSweet_Home_Mine\" class=\"extiw\" title=\"en:Sweet Home Mine\">Sweet Home Mine (Home Sweet Home Mine)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMount_Bross\" class=\"extiw\" title=\"en:Mount Bross\">Mount Bross\u003C\u002Fa>, Alma District, Park County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColorado\" class=\"extiw\" title=\"en:Colorado\">Colorado\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3690.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.5 x 5.3 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>A fine association specimen. This piece features a translucent, gemmy, red\u002Fpink crystal group of rhombic Rhodochrosite measuring 2.3 x 1.5 cm, but the most attractive aspect of this specimen is the fact that it is associated with Chalcopyrite, modified cuboctahedra of purple and colorless\u002Fwhite Fluorite crystals, along with Pyrite, Sphalerite, Tetrahedrite, Quartz, Kutnohorite and possibly Dickite. Ex. Jaime Bird Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",398,360,{"id":1591,"source_url":1592,"license_code":1230,"credit_html":1593,"title":1594,"description":1595,"author":1421,"original_width":1596,"original_height":1589},7206,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162229","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162229\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodochrosite-Fluorite-Pyrite-221159.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRhodochrosite\" class=\"extiw\" title=\"en:Rhodochrosite\">Rhodochrosite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFluorite\" class=\"extiw\" title=\"en:Fluorite\">Fluorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSphalerite\" class=\"extiw\" title=\"en:Sphalerite\">Sphalerite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKutnohorite\" class=\"extiw\" title=\"en:Kutnohorite\">Kutnohorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDickite\" class=\"extiw\" title=\"en:Dickite\">Dickite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSweet_Home_Mine\" class=\"extiw\" title=\"en:Sweet Home Mine\">Sweet Home Mine (Home Sweet Home Mine)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMount_Bross\" class=\"extiw\" title=\"en:Mount Bross\">Mount Bross\u003C\u002Fa>, Alma District, Park County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColorado\" class=\"extiw\" title=\"en:Colorado\">Colorado\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3690.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.5 x 5.3 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>A fine association specimen from the mine that produced the world's finest quality Rhodochrosites. This piece features a translucent, gemmy, red\u002Fpink crystal group of rhombic Rhodochrosite measuring 2.3 x 1.5 cm, but the most attractive aspect of this specimen is the fact that it is associated with modified cuboctahedra of purple and colorless\u002Fwhite Fluorite crystals, along with Pyrite, Chalcopyrite, Sphalerite, Tetrahedrite, Quartz, Kutnohorite and possibly Dickite. That's a minimum of eight species on the same specimen, and there could possibly be more under close inspection. Ex. Jaime Bird Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",397,{"id":1598,"source_url":1599,"license_code":1230,"credit_html":1600,"title":1601,"description":1602,"author":1421,"original_width":1603,"original_height":1604},7289,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169407","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169407\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Djurleite-Quartz-Pyrite-261711.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDjurleite\" class=\"extiw\" title=\"en:Djurleite\">Djurleite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Steward Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FButte\" class=\"extiw\" title=\"en:Butte\">Butte\u003C\u002Fa>, Butte District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSilver_Bow_County,_Montana\" class=\"extiw\" title=\"en:Silver Bow County, Montana\">Silver Bow County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMontana\" class=\"extiw\" title=\"en:Montana\">Montana\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6050.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.0 x 6.2 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>Djurleite is an uncommon copper sulfide closely related to chalcocite. It is very rarely reported and offered from the famous and now-closed mines at Butte. Lustrous, sharp, steel-gray, twinned prisms of djurleite to about 6 mm are richly concentrated in clusters and are complimented by sprays of milky quartz needles and lustrous, brassy pyrite on this superb, old-time specimen from the Steward Mine. Many of the djurleite crystals have interesting, faint, iridescent tarnish. The matrix is mostly pyrite on this specimen. Very seldom available in this richness and quality from this historic locale. Ex. Bill Smith and George Feist (# 2616) Collections and according to the accompanying label, the piece dates to the early 1960s.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",802,622,{"id":1606,"source_url":1607,"license_code":1230,"credit_html":1608,"title":1609,"description":1602,"author":1421,"original_width":1610,"original_height":1611},7290,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169408","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169408\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Djurleite-Quartz-Pyrite-261713.jpg",531,427,{"id":534,"source_url":1613,"license_code":1230,"credit_html":1614,"title":1615,"description":1616,"author":1421,"original_width":1505,"original_height":1617},"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407800","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407800\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite, Pyrite-418693.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFamatinite\" class=\"extiw\" title=\"en:Famatinite\">Famatinite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pen-Shan Ore Body, Chinkuahshih Mine, Jui-Fang Town, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Taipei\" class=\"extiw\" title=\"en:New Taipei\">Taipei County\u003C\u002Fa>, Taiwan Province, Taiwan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8084.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.3 x 5.0 x 3.7 cm\u003C\u002Fdd>\n\u003Cdd>Famatinite is a rare copper-antimony sulfide found in low to moderate temperature copper deposits. This is an exceptional and rich specimen from this uncommon locale of knobby aggregates of sharp, metallic-gray crystals covering the crystallized pyrite matrix. Famatinite is found on both sides of this extremely rich and very rarely available combination example of the species and locale. Ex. Larry Krause specimen\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",350,{"id":1619,"source_url":1620,"license_code":1230,"credit_html":1621,"title":1622,"description":1616,"author":1421,"original_width":1505,"original_height":1623},8314,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407824","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407824\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite, Pyrite-418694.jpg",376,{"id":1625,"source_url":1626,"license_code":1230,"credit_html":1627,"title":1628,"description":1616,"author":1421,"original_width":1505,"original_height":1629},8315,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407827","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407827\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite, Pyrite-418696.jpg",440,{"id":1631,"source_url":1632,"license_code":1230,"credit_html":1633,"title":1634,"description":1616,"author":1421,"original_width":1505,"original_height":1635},8316,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407828","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=18407828\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite, Pyrite-418695.jpg",328,{"id":1637,"source_url":1638,"license_code":1639,"credit_html":1640,"title":1641,"description":1642,"author":1643,"original_width":1644,"original_height":1261},8318,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118203857","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118203857\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite with Enargite and Pyrite (40803028203).jpg","\u003Cp>Cerro de Pasco\nPeru\n\u003C\u002Fp>\n\u003Col>\u003Cli>857\u003C\u002Fli>\u003C\u002Fol>","Pacific Museum of Earth from Canada",4000,{"id":1646,"source_url":1647,"license_code":1639,"credit_html":1648,"title":1649,"description":1650,"author":1643,"original_width":1644,"original_height":1261},8319,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118203861","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118203861\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Famatinite with Pyrite and Enargite (40803028243).jpg","\u003Cp>Huaraz\nPeru\n\u003C\u002Fp>\n\u003Col>\u003Cli>856\u003C\u002Fli>\u003C\u002Fol>",{"id":1652,"source_url":1653,"license_code":1354,"credit_html":1654,"title":1655,"description":1656,"author":1358,"original_width":1367,"original_height":1368},8320,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482673","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482673\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite with pyrite and quartz (GeoDIL number - 1253).jpg","Enargite (Cu3AsS4) is a sulphide mineral and end-member of an isomorphous series, the other end-member being famatinite (Cu3SbS4). It occurs as irregular grains in association with other sulphides in copper-rich mineral deposits.",{"id":1658,"source_url":1659,"license_code":1230,"credit_html":1660,"title":1661,"description":1662,"author":1663,"original_width":1664,"original_height":1340},9590,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7049351","Ra'ike (see also: de:Benutzer:Ra'ike), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7049351\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Galenobismutit in Pyrit und Quarz - Mühlleithen, Vogtland.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGalenobismutite\" class=\"extiw\" title=\"en:Galenobismutite\">Galenobismutite\u003C\u002Fa> in Pyrite and Quartz - Locality: Mühlleithen, Vogtland County (Germany) - Exposed in the Mineralogical Museum, Bonn, Germany","Ra'ike (see also: de:Benutzer:Ra'ike)",1100,{"id":1666,"source_url":1667,"license_code":1639,"credit_html":1668,"title":1669,"description":1670,"author":1643,"original_width":1261,"original_height":1644},9594,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118205722","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118205722\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cosalite with Pyrite, Galena, Quartz, and Galenobismutite (46995655085).jpg","\u003Cp>Cariboo Gold Quartz Mine\nBritish Columbia, Canada\n\u003C\u002Fp>\nS-74-1984",{"id":1672,"source_url":1673,"license_code":1639,"credit_html":1674,"title":1675,"description":1676,"author":1643,"original_width":1644,"original_height":1261},9595,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206756","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206756\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite with Cosalite, Gold, and Galenobismutite (47859659382).jpg","\u003Cp>Wells\nBritish Columbia, Canada\n\u003C\u002Fp>\nS-74-1672",{"id":1678,"source_url":1679,"license_code":1230,"credit_html":1680,"title":1681,"description":1682,"author":1484,"original_width":1476,"original_height":1477},10945,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33576757","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33576757\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Haüyne, afghanite, pyrite, calcite .jpg","afghanite,  haüyne, haüyne var. lazurite, pyrite, calcite : Ladjuar Medam (Lajur Madan ; Lapis-lazuli Mine) Sar-e-Sang District, Koksha Valley (Kokscha Valley ; Kokcha Valley), Badakhshan Province (Badakshan Province ; Badahsan Province), Afghanistan",{"id":1684,"source_url":1685,"license_code":1230,"credit_html":1686,"title":1687,"description":1682,"author":1484,"original_width":1476,"original_height":1477},10946,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33576758","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33576758\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Haüyne, afghanite, pyrite, calcite.jpg",{"id":1689,"source_url":1690,"license_code":1206,"credit_html":1691,"title":1692,"description":1411,"author":1412,"original_width":1693,"original_height":1694},10948,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56783825","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56783825\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Phlogopite, haüyne, pyrite.jpg",2000,1202,{"id":1696,"source_url":1697,"license_code":1230,"credit_html":1698,"title":1699,"description":1700,"author":1421,"original_width":1422,"original_height":109},11619,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138381","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138381\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Honessite-Pyrite-Quartz-112490.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHonessite\" class=\"extiw\" title=\"en:Honessite\">Honessite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: US 27 roadcut, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHalls_Gap,_Victoria\" class=\"extiw\" title=\"en:Halls Gap, Victoria\">Halls Gap\u003C\u002Fa>, Lincoln County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKentucky\" class=\"extiw\" title=\"en:Kentucky\">Kentucky\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16152.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This is a superb example of this rare nickel species, with brilliant hulk-green crystals to 1 cm in a protected cavity in a quartz geode. I believe this is the world's best locality for the species....at least, I have not seen good honessite from other places for sale. Honessite is MUCH more rare than the millerite found in geodes from this hard-to-collect locality (I know, i collected there as a kid!). The location is a roadcut along a major state highway, now completely off-limits to collectors. 4.9 x 3.8 x 2.4 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1702,"source_url":1703,"license_code":1230,"credit_html":1704,"title":1705,"description":1706,"author":1421,"original_width":1422,"original_height":109},11622,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453215","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453215\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Honessite-Pyrite-Quartz-mrz106a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHonessite\" class=\"extiw\" title=\"en:Honessite\">Honessite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHalls_Gap,_Victoria\" class=\"extiw\" title=\"en:Halls Gap, Victoria\">Halls Gap\u003C\u002Fa>, Lincoln County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKentucky\" class=\"extiw\" title=\"en:Kentucky\">Kentucky\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4518.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.9 x 3.8 x 2.4 cm\n\u003Cdl>\u003Cdt>Honessite with Pyrite in Quartz Geode\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is a superb example of this rare nickel species, with brilliant hulk-green crystals to 1 cm in a protected cavity in a quartz geode. I believe this is the world's best locality for the species....at least, I have not seen good honessite from other places for sale. Honessite is MUCH more rare than the millerite found in geodes from this hard-to-collect locality (I know, i collected there as a kid!). The location is a roadcut along a major state highway, now completely off-limits to collectors.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1708,"source_url":1709,"license_code":1230,"credit_html":1710,"title":1711,"description":1706,"author":1421,"original_width":1549,"original_height":1712},11623,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453217","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453217\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Honessite-Pyrite-Quartz-mrz106b.jpg",300,{"id":1714,"source_url":1715,"license_code":1230,"credit_html":1716,"title":1717,"description":1718,"author":1421,"original_width":1719,"original_height":1720},11685,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10157342","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10157342\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-Hubeite-Pyrite-196850.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHubeite\" class=\"extiw\" title=\"en:Hubeite\">Hubeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ezhou Prefecture, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHubei\" class=\"extiw\" title=\"en:Hubei\">Hubei Province\u003C\u002Fa>, China (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-187009.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 14.4 x 12.9 x 6.9 cm.\u003C\u002Fdd>\n\u003Cdd>A large, ornate and quite unusual Chinese specimen out of the J.R. Glover Collection. The quartz crystals contain little black inclusions of hubeite, a strange sorosilicate mineral only recently identified (found first at the Daye Mine, also in Hubei Province, and named after this province). At some point the quartz crystals here were sprinkled with these little black hubeites, and then growth continued, so they are now enclosed under thin sheet of quartz (rather than being on the surface of the crystals) as inclusions. Shiny golden pyrite adds an attractive accent to the specimen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",750,630,{"id":1722,"source_url":1723,"license_code":1230,"credit_html":1724,"title":1725,"description":1726,"author":1421,"original_width":1422,"original_height":1727},11950,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175293","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175293\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Apophyllite-(KOH)-Pyrite-Tobermorite-44416.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FApophyllite\" class=\"extiw\" title=\"en:Apophyllite\">Apophyllite-(KOH)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTobermorite\" class=\"extiw\" title=\"en:Tobermorite\">Tobermorite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Noche Buena, Melchor Ocampo Municipality, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZacatecas\" class=\"extiw\" title=\"en:Zacatecas\">Zacatecas\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-28111.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Pink apophyllite crystals with finely-formed, bright and striated pyrite crystals. Also note the pretty spherical white tobermorite 3.3 x 3.1 x 2.7cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",449,{"id":1729,"source_url":1730,"license_code":1354,"credit_html":1731,"title":1732,"description":1733,"author":1358,"original_width":1734,"original_height":1735},12105,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163481750","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163481750\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Covellite, idaite and pyrite (GeoDIL number - 1106).jpg","This specimen, 11 cm across, contains primarily (metallic indigo color) covellite (copper sulfide, CuS), (dark coppery brown-black color) idaite (copper iron sulfide, Cu5FeS6), and (gold color) pyrite (iron sulfide, FeS2). Covellite may be bright metallic indigo when fresh, but it quickly tarnishes and darkens when exposed to air. Spectacular samples show irredescence between various shades of violet, blue, yellow and red. In this specimen the covellite is mixed with the dark colored idaite; the two minerals are hard to distinguish from each other. This is a sample of copper ore from the well known mining district at Butte, Montana.",2734,1758,{"id":1737,"source_url":1738,"license_code":1739,"credit_html":1740,"title":1741,"description":1742,"author":1743,"original_width":1744,"original_height":1745},12519,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21515986","CC BY 3.0","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21515986\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Jamesonite, Pyrite-392077.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJamesonite\" class=\"extiw\" title=\"en:Jamesonite\">Jamesonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sombrerete, Mun. de Sombrerete, Zacatecas, Mexico\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> A 4.1 by 2.5 cms mass of lustrous crystals with Pyrite. JSS specimen and photo.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","John Sobolewski (JSS)",1024,768,{"id":1747,"source_url":1748,"license_code":1230,"credit_html":1749,"title":1750,"description":1751,"author":1484,"original_width":1752,"original_height":1477},14176,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15064506","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15064506\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazurite, mica var. phlogopite et pyrite (Afghanistan).jpg","cristaux de lazurite, cristaux de mica var. phlogopite et cristaux de pyrite",3696,{"id":1754,"source_url":1755,"license_code":1230,"credit_html":1756,"title":1757,"description":1758,"author":1421,"original_width":1759,"original_height":1549},14907,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138893","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138893\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Luzonite-Enargite-Pyrite-117726.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLuzonite\" class=\"extiw\" title=\"en:Luzonite\">Luzonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEnargite\" class=\"extiw\" title=\"en:Enargite\">Enargite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pen-Shan Ore Body, Chinkuahshih Mine, Jui-Fang Town, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaipei_County\" class=\"extiw\" title=\"en:Taipei County\">Taipei County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaiwan_Province\" class=\"extiw\" title=\"en:Taiwan Province\">Taiwan Province\u003C\u002Fa>, Taiwan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8084.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.2 x 3.5 x 1.8 cm.\u003C\u002Fdd>\n\u003Cdd>Specimen with 2mm crystals of luzonite free-standing and partially embedded on 1 cm enargite crystals!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",387,{"id":1761,"source_url":1762,"license_code":1230,"credit_html":1763,"title":1764,"description":1420,"author":1421,"original_width":1513,"original_height":1765},14910,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160734","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160734\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Luzonite-Pyrite-210857.jpg",447,{"id":1767,"source_url":1768,"license_code":1575,"credit_html":1769,"title":1770,"description":1771,"author":1579,"original_width":1772,"original_height":1693},14974,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=35047536","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=35047536\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Madocite (tourmaline-pyrite metamorphite), Madoc Ontario.jpg","\u003Cp>“Madocite” (field of view ~2.7 cm across) from the Precambrian of Ontario.\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Here’s a rock from Ontario having a mineral combination you don’t see very often.  This sample is from a metamorphosed mafic dike that intrudes tremolite-talc schists hosted in dolomitic marble.  The metamorphism has converted the original mafic igneous minerals into a mixture dominated by tourmaline (black) and pyrite (brassy gold).  Some of the small bright white patches are talc.  Tourmaline-pyrite metamorphic rocks lack a formal name, so the term “madocite” has been used by some geologists.  Published mineral analysis indicates that “madocite” contains tourmaline, pyrite, tremolite, and some phlogopite mica.\n\u003C\u002Fp>\u003Cp>Age of metamorphism - probably ~1.24 billion years, during the Mesoproterozoic.  Subsequent metamorphism occurred at ~1.1 billion years, during assembly of the Rodinia supercontinent.\n\u003C\u002Fp>\u003Cp>Initial metamorphic agent - probably emplacement of the nearby Deloro Granite.\n\u003C\u002Fp>\u003Cp>Locality: Canada Talc Limited mine at Madoc, south-central Hastings County, southeastern Ontario, southeastern Canada.\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Most info. from:\n\u003C\u002Fp>\nDunn (1998) - Formation of dolomite-hosted massive talc at Madoc, Ontario.  Geological Society of America Abstracts with Programs 30(7): 229-230.",3008,{"id":1774,"source_url":1775,"license_code":1739,"credit_html":1776,"title":1777,"description":1778,"author":1779,"original_width":1780,"original_height":1781},15839,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97872189","Erik Vercammen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97872189\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Melonite, Quartz, Pyrite-727083.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMelonite\" class=\"extiw\" title=\"en:Melonite\">Melonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalaverite\" class=\"extiw\" title=\"en:Calaverite\">Calaverite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Kambalda, Coolgardie Shire, Western Australia, Australia\u003C\u002Fdd>\n\u003Cdd>Size: 25 mm x 18 mm x 11 mm\u003C\u002Fdd>\n\u003Cdd>Foliated melonite in quartz, pyrite on the back of the specimen. The label gives 'Cross, Australia' as the locality, but according to Ralph Bottrill: \"The only verified occurrence of large specimens of melonite in Australia, to my knowledge, is the Kambalda nickel mines, in the Fischer and Lunnon shoots.\" Collection and photo Erik Vercammen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Erik Vercammen",2856,2144,{"id":1783,"source_url":1784,"license_code":1230,"credit_html":1785,"title":1786,"description":1787,"author":1421,"original_width":1788,"original_height":1789},22655,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149756","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149756\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sphalerite-Pyrite-170559.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSphalerite\" class=\"extiw\" title=\"en:Sphalerite\">Sphalerite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Nanitay Mine, Machacamarca District (Colavi District), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCornelio_Saavedra_Province\" class=\"extiw\" title=\"en:Cornelio Saavedra Province\">Cornelio Saavedra Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-156732.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.0 x 2.7 x 2.6 cm.\u003C\u002Fdd>\n\u003Cdd>A UNIQUE and SHOWY 2-crystal cluster of blocky, sharp, black sphalerite crystals from a very small recent Bolivian find at a NEW locality, the Nanitay Mine. The step-growth sphalerites have a magical chatoyant shimmer that the photos catch only a part of. Fascinating crystals and highly regarded. A super sharp, mirror-bright, brass-yellow, pyrite octahedron is hidden on the back and the contacted area shows the colorful and beautiful iridescence of the sphalerite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",450,372,{"id":1791,"source_url":1792,"license_code":1739,"credit_html":1793,"title":1794,"description":1795,"author":1796,"original_width":1797,"original_height":1798},23765,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=141985292","Ralph S. Bottrill, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=141985292\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tellurobismuthite, Quartz, Pyrite, Chalcopyrite, Fluorite, Calcite-624660.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTellurobismuthite\" class=\"extiw\" title=\"en:Tellurobismuthite\">Tellurobismuthite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFluorite\" class=\"extiw\" title=\"en:Fluorite\">Fluorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 30 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Henty Mine, Tyndall Valley, West Coast municipality, Tasmania, Australia\u003C\u002Fdd>\n\u003Cdd>Description: Grey tellurobismuthite with brassy pyrite, yellow chalcopyrite, quartz, calcite and fluorite\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Ralph S. Bottrill",1241,875,{"id":1800,"source_url":1801,"license_code":1575,"credit_html":1802,"title":1803,"description":1804,"author":1579,"original_width":1805,"original_height":1806},23810,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83657182","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83657182\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodochrosite-tetrahedrite-tennantite-pyrite-quartz (Oligocene, 27.6 to 30.6 Ma; Sweet Home Mine, Mosquito Range, Colorado, USA) (15188108607).jpg","\u003Cp>Rhodochrosite-tetrahedrite-tennantite-pyrite-quartz from the Oligocene of Colorado, USA. (field of view 2.2 centimeters across)\n\u003C\u002Fp>\u003Cp>Pink to red = rhodochrosite\nSilvery-gray = tetrahedrite-tennantite\nBrassy gold = pyrite\nGray glassy masses = quartz\n\u003C\u002Fp>\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are over 5400 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>The carbonate minerals all contain one or more carbonate (CO3-2) anions.\n\u003C\u002Fp>\u003Cp>Rhodochrosite is a manganese carbonate mineral, MnCO3.  Most rhodochrosite is pinkish, but high-quality specimens are a gorgeous red color.  Its crystals are rhomb-shaped.  Rhodochrosite has a glassy, nonmetallic luster, a white streak, and has a hardness of about 3.5 to 4.\n\u003C\u002Fp>\u003Cp>Colorado's Sweet Home Mine has produced the most spectacular rhodochrosite specimens on Earth.  Specimens from this site are intimately associated with polymetallic sulfides (tetrahedrite-tennantite - (Cu,Fe,Ag,Zn)12(Sb,As)4S13), pyrite, and quartz.\n\u003C\u002Fp>\u003Cp>Rhodochrosite at this locality occurs in hydrothermal veins that intrude Precambrian basement rocks (granodiorites, gneisses, schists, migmatites, and pegmatites).  Isotopic dating shows that hydrothermal mineralization occurred during the Oligocene, from 27.6 to 30.6 million years ago.\n\u003C\u002Fp>\u003Cp>Locality: Sweet Home Mine, above Buckskin Gulch, south-southwest of Mt. Bross, northwest of Alma, Alma Mining District, eastern slopes of the northern Mosquito Range, far-western Park County, central Colorado, USA.\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of rhodochrosite:\n\u003C\u002Fp>\n<a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fgallery.php?min=3406\">http:\u002F\u002Fwww.mindat.org\u002Fgallery.php?min=3406\u003C\u002Fa>\" rel=\"noreferrer nofollow\">www.mindat.org\u002Fgallery.php?min=3406<\u002Fa>",2652,2193,{"id":1808,"source_url":1809,"license_code":1575,"credit_html":1810,"title":1811,"description":1812,"author":1579,"original_width":1813,"original_height":1814},25043,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83657467","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83657467\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tellurium-quartz-pyrite hydrothermal vein (Emperor Gold-Silver Telluride Deposit, Mba Volcanics, Miocene; Emperor Mine, Viti Levu, Fiji Islands) (17333016059).jpg","\u003Cp>Tellurium-quartz-pyrite hydrothermal vein from the Miocene of the Fiji Islands. (field of view 2.7 cm across)\n\u003C\u002Fp>\u003Cp>Silvery-colored = tellurium\nWhitish-gray = quartz\nBrassy gold = pyrite\nDark material at right = host rock (altered porphyritic shoshonite)\n\u003C\u002Fp>\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are over 4900 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>Elements are fundamental substances of matter - matter that is composed of the same types of atoms.  At present, 118 elements are known (four of them are still unnamed).  Of these, 98 occur naturally on Earth (hydrogen to californium).  Most of these occur in rocks & minerals, although some occur in very small, trace amounts.  Only some elements occur in their native elemental state as minerals.\n\u003C\u002Fp>\u003Cp>To find a native element in nature, it must be relatively non-reactive and there must be some concentration process.  Metallic, semimetallic (metalloid), and nonmetallic elements are known in their native state.\n\u003C\u002Fp>\u003Cp>Tellurium (Te) is a semimetal\u002Fmetalloid that can occur in its native state as a mineral.  It has a metallic luster, a bright silvery color, a grayish streak, is rather soft (H = 2 to 2.5), and is heavy for its size.  It is not malleable.  Tellurium can break along several cleavage planes.\n\u003C\u002Fp>\u003Cp>Tellurium is best known from precious metal telluride deposits, such as the Cripple Creek Mining District of Colorado, USA.  In such deposits, Te is usually mixed with various metals and semimetals (e.g., Au, Ag, Pb, Ni, Fe, Bi, Sb).\n\u003C\u002Fp>\u003Cp>The sample shown above is a tellurium-quartz-pyrite hydrothermal vein that is hosted in altered porphyritic shoshonite lava (see rock matrix at right).\n\u003C\u002Fp>\u003Cp>Deposit & age: Emperor Gold-Silver Telluride Deposit, Mba Volcanics, Miocene\n\u003C\u002Fp>\nLocality: Emperor Mine, near Vatukoula, Tavua Gold Field, northern Viti Levu, western Fiji Islands, southwest-central Pacific Basin (17º 30’ 24” South, 177º 51’ 12” East)",2128,1639,{"id":1816,"source_url":1817,"license_code":1206,"credit_html":1818,"title":7,"description":11,"author":11,"original_width":1218,"original_height":1819},30524,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F127922","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F127922\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",943,{"id":1821,"source_url":1822,"license_code":1575,"credit_html":1823,"title":1824,"description":1825,"author":1579,"original_width":1826,"original_height":1827},31138,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=95371270","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=95371270\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Magnetite-pyrite-actinolite rock (Jurassic, 156-162 Ma; Mina 5, Marcona Magnetite Deposit, Ica Department, Peru) 4.jpg","Magnetite-pyrite-actinolite rock from the Jurassic of Peru.\n\u003Cp>Rocks of the Jurassic-aged Marcona Magnetite Deposit in southern Peru are mined for their iron content.  The deposit has been called a skarn (= contact metamorphic deposit), but it appears to be a magmatic deposit - the magnetite crystallized from an iron oxide-rich melt (see Chen et al., 2010).\n\u003C\u002Fp>\u003Cp>This particular sample is consistent with mineralization stage M-III of Chen et al. (2010) - it has magnetite (= black, Fe3O4 - iron oxide), pyrite (= brassy gold, FeS2 - iron sulfide), and actinolite amphibole (= dark green, Ca2(Mg,Fe)5Si8O22(OH)2 - calcium magnesium iron hydroxy-silicate).\n\u003C\u002Fp>\u003Cp>Age: Late Jurassic, 156 to 162 Ma\n\u003C\u002Fp>\u003Cp>Locality: Mina 5, Marcona Magnetite Deposit, southern Nazca Province, southern Ica Department, southern Peru (15° 11' 31.40\" South latitude, 74° 07' 42.70\" West longitude)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Some info. from:\n\u003C\u002Fp>\nChen et al. (2010) - The Marcona Magnetite Deposit, Ica, south-central Peru: a product of hydrous, iron oxide-rich melts?  Economic Geology 105: 1441-1456.",3705,2330,{"id":1829,"source_url":1830,"license_code":1639,"credit_html":1831,"title":1832,"description":1833,"author":1834,"original_width":1835,"original_height":1836},31278,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=2636313","Rama., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=2636313\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Adularia with Pyrite mg 7940.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAdularia\" class=\"extiw\" title=\"en:Adularia\">Adularia\u003C\u002Fa> with \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">pyrite\u003C\u002Fa>. Photographed at \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGotthard_Base_Tunnel\" class=\"extiw\" title=\"en:Gotthard Base Tunnel\">Gotthard Base Tunnel\u003C\u002Fa> exhibition.","Rama.",4368,2912,{"id":1838,"source_url":1839,"license_code":1472,"credit_html":1840,"title":1841,"description":1842,"author":1484,"original_width":1476,"original_height":1477},31425,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829818","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829818\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite et pyrite sur calcite 1(Afghanistan).jpg","\u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fw\u002Findex.php?title=Afghanite&action=edit&redlink=1\" class=\"new\" title=\"Afghanite (page does not exist)\">afghanite\u003C\u002Fa>, \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FPyrite\" class=\"mw-redirect\" title=\"Pyrite\">pyrite\u003C\u002Fa>, \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FPyrite\" class=\"mw-redirect\" title=\"Pyrite\">pyrite\u003C\u002Fa> : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan",{"id":1844,"source_url":1845,"license_code":1472,"credit_html":1846,"title":1847,"description":1848,"author":1484,"original_width":1476,"original_height":1477},31426,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829842","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829842\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite et pyrite sur calcite 2(Afghanistan).jpg","\u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fw\u002Findex.php?title=Afghanite&action=edit&redlink=1\" class=\"new\" title=\"Afghanite (page does not exist)\">afghanite\u003C\u002Fa>, \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FPyrite\" class=\"mw-redirect\" title=\"Pyrite\">pyrite\u003C\u002Fa> : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan",{"id":1850,"source_url":1851,"license_code":1472,"credit_html":1852,"title":1853,"description":1475,"author":1484,"original_width":1476,"original_height":1477},31427,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829865","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5829865\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite et pyrite sur calcite 3(Afghanistan).jpg",{"id":1855,"source_url":1856,"license_code":1230,"credit_html":1857,"title":1858,"description":1859,"author":1421,"original_width":1860,"original_height":1422},31431,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138874","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138874\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite-Pyrite-117697.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAfghanite\" class=\"extiw\" title=\"en:Afghanite\">Afghanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBadakhshan_Province\" class=\"extiw\" title=\"en:Badakhshan Province\">Badakhshan (Badakshan; Badahsan) Province\u003C\u002Fa>, Afghanistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-11.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.0 x 4.3 x 2.9 cm.\u003C\u002Fdd>\n\u003Cdd>This specimen showcases a really nifty, DEEP BLUE, 2.5-cm tall afghanite crystal centered nicely on matrix. These new finds from Afghanistan of the past 5 years have really redefined expectations for the species, formerly almost unknown to collectors.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",560,{"id":1862,"source_url":1863,"license_code":1230,"credit_html":1864,"title":1865,"description":1682,"author":1484,"original_width":1866,"original_height":1477},31437,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975509","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975509\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazurite, afghanite et pyrite sur calcite (Sar-e-Sang, Koksha Valley, Badakshan - Afghanistan).jpg",3944,{"id":1868,"source_url":1869,"license_code":1230,"credit_html":1870,"title":1871,"description":1872,"author":1484,"original_width":1873,"original_height":1874},31438,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975513","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975513\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazurite, afghanite et pyrite sur calcite (Sar-e-Sang, Koksha Valley, Badakshan - Afghanistan) 1.jpg","lazurite, afghanite, pyrite",3852,2799,{"id":1876,"source_url":1877,"license_code":1230,"credit_html":1878,"title":1879,"description":1682,"author":1484,"original_width":1880,"original_height":1881},31439,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975515","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17975515\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazurite, afghanite et pyrite sur calcite Sar-e-Sang, Koksha Valley, Badakshan - Afghanistan) 2.jpg",3313,2630,{"id":1883,"source_url":1884,"license_code":1230,"credit_html":1885,"title":1886,"description":1887,"author":1484,"original_width":1476,"original_height":1477},31440,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21233559","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21233559\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Afghanite, pyrite, calcite 4.JPG","crystals of afghanite, crystals of pyrite, crystals of calcite : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan - afghanite : 28 mm",{"id":1889,"source_url":1890,"license_code":1639,"credit_html":1891,"title":1892,"description":1893,"author":1643,"original_width":1261,"original_height":1644},32187,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118188546","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118188546\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Altaite with Hessite and Pyrite (48417742101).jpg","\u003Cp>Charlie Claims - Taseko Lake\n\u003C\u002Fp>\nBritish Columbia, Canada",{"id":1895,"source_url":1896,"license_code":1639,"credit_html":1897,"title":1898,"description":1899,"author":1643,"original_width":1644,"original_height":1261},32192,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118202843","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118202843\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Altaite with Galena and Pyrite (47762673762).jpg","\u003Cp>Newlund Mine\nNorthwest Ontario, Canada\n\u003C\u002Fp>\n\u003Col>\u003Cli>1098\u003C\u002Fli>\u003C\u002Fol>",{"id":1901,"source_url":1902,"license_code":1639,"credit_html":1903,"title":1904,"description":1905,"author":1643,"original_width":1261,"original_height":1644},32193,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118202844","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118202844\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Altaite with Pyrite, Gold, Chalcopyrite, and Molybdenite (47762673972).jpg","\u003Cp>Lakeshore Mine\nOntario, Canada\n\u003C\u002Fp>\n\u003Col>\u003Cli>1097\u003C\u002Fli>\u003C\u002Fol>",{"id":1907,"source_url":1908,"license_code":1739,"credit_html":1909,"title":1910,"description":1911,"author":1743,"original_width":364,"original_height":1912},33036,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13307593","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13307593\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ankerite, Pyrite - Goldmyer Hot Springs, King Co, Washington, USA.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAnkerite\" class=\"extiw\" title=\"en:Ankerite\">Ankerite\u003C\u002Fa> on \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Spruce Claim (Spruce Ridge), Goldmyer Hot Springs, King County, Washington, USA\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> A 2.2 by 1.8 cms group of crystals on a Pyrite crystal.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",480,{"id":1914,"source_url":1915,"license_code":1739,"credit_html":1916,"title":1917,"description":1918,"author":1743,"original_width":364,"original_height":1912},33037,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13307605","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13307605\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ankerite, Pyrite2 - Goldmyer Hot Springs, King Co, Washington, USA.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAnkerite\" class=\"extiw\" title=\"en:Ankerite\">Ankerite\u003C\u002Fa> on \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Spruce Claim (Spruce Ridge), Goldmyer Hot Springs, King County, Washington, USA\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> A 2.5 by 2.2 cms group of tan crystals on a Pyrite crystal.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1920,"source_url":1921,"license_code":1230,"credit_html":1922,"title":1923,"description":1924,"author":1925,"original_width":1926,"original_height":1927},33047,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130079232","Elena Ternovaja, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130079232\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zinkblende, Zwillinge nach ZA Ankerit, Siderit, Pyrit, Bleiglanz, Peru.jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FSphalerit\" class=\"extiw\" title=\"de:Sphalerit\">Sphalerit\u003C\u002Fa> (auch \u003Ci>Zinkblende\u003C\u002Fi>), Zwillinge nach ZA, darauf beiger \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FAnkerit\" class=\"extiw\" title=\"de:Ankerit\">Ankerit\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FSiderit\" class=\"extiw\" title=\"de:Siderit\">Siderit\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FPyrit\" class=\"extiw\" title=\"de:Pyrit\">Pyrit\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FGalenit\" class=\"extiw\" title=\"de:Galenit\">Bleiglanz\u003C\u002Fa> aus Huanzala, Peru","Elena Ternovaja",4168,3371,{"id":1929,"source_url":1930,"license_code":1230,"credit_html":1931,"title":1932,"description":1933,"author":1421,"original_width":1934,"original_height":1589},33955,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171905","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171905\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Arsenopyrite-Pyrite-278438.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArsenopyrite\" class=\"extiw\" title=\"en:Arsenopyrite\">Arsenopyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: San José Mine, Oruro City, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCercado\" class=\"extiw\" title=\"en:Cercado\">Cercado Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOruro_Department\" class=\"extiw\" title=\"en:Oruro Department\">Oruro Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.2 x 7.3 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>About 30 years ago, there were a handful of very good quality Arsenopyrite specimens on the market from the San Jose mine, but they all seemed to have dried up. This is a very attractive specimen of this material because it is just covered with small, sharp, bright, prismatic Arsenopyrite crystals plus golden Pyrite crystals on matrix. The largest Arsenopyrite crystal measures 8 mm in length. This piece was mined in 1980 and is a great example of this old material from one of the most famous mines in the Bolivian tin belt.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",419,{"id":1936,"source_url":1937,"license_code":1230,"credit_html":1938,"title":1939,"description":1940,"author":1484,"original_width":1941,"original_height":734},33959,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15538580","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15538580\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Arsénopyrite, pyrite et calcite (Mexique).JPG","arsenopyrite, pyrite, calcite, quartz : Potosi Mine (El Potosi Mine), Francisco Portillo, West Camp, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico",4022,{"id":1943,"source_url":1944,"license_code":1230,"credit_html":1945,"title":1946,"description":1947,"author":1421,"original_width":1948,"original_height":1422},35620,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80627427","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80627427\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bertrandite, Pyrite, Quartz-566031.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBertrandite\" class=\"extiw\" title=\"en:Bertrandite\">Bertrandite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartzQuartz\" class=\"extiw\" title=\"en:QuartzQuartz\">Quartz\u003C\u002Fa> (Variety Smoky Quartz)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 9 cm x 5 cm x 3 cm\u003C\u002Fdd>\n\u003Cdd>Locality: Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Karazhal, Karaganda Region, Kazakhstan\u003C\u002Fdd>\n\u003Cdd>Dozens of sharp, snow-white bertrandite prisms are scattered on all sides of the glassy smoky quartz crystal on this striking and excellent combination piece from this well-known locale. The prisms reach 1.2 cm, large for the locale. Sparkly pyrite microcrystals and a yellowish carbonate are fine accents to the bertrandites. The smoky quartz has a water-clear termination with a sharp phantom and progressively becomes darker and has more inclusions lower in the crystal. Ex. Bob Trimingham Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",388,{"id":1950,"source_url":1951,"license_code":1230,"credit_html":1952,"title":1953,"description":1954,"author":1421,"original_width":1788,"original_height":1955},35935,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10121736","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10121736\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodochrosite-Tetrahedrite-Pyrite-23665.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRhodochrosite\" class=\"extiw\" title=\"en:Rhodochrosite\">Rhodochrosite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTetrahedrite\" class=\"extiw\" title=\"en:Tetrahedrite\">Tetrahedrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pachapaqui District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBolognesi_Province\" class=\"extiw\" title=\"en:Bolognesi Province\">Bolognesi Province\u003C\u002Fa>, Ancash Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2306.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Very pretty, bright pink isolated crystals of rhodochrosite intermixed with tetrahedrites (including a fine one of 1.8 cm), bright pyrites and small, snowy quartz crystals – all on a crystal of milky quartz. A Peruvian combo specimen that has it all! 7.5 x 3 x 3 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",270,{"id":1957,"source_url":1958,"license_code":1230,"credit_html":1959,"title":1960,"description":1961,"author":1421,"original_width":1543,"original_height":1962},35937,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126033","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126033\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fluorite-Pyrite-Quartz-37754.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFluorite\" class=\"extiw\" title=\"en:Fluorite\">Fluorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTetrahedrite\" class=\"extiw\" title=\"en:Tetrahedrite\">Tetrahedrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSweet_Home_Mine\" class=\"extiw\" title=\"en:Sweet Home Mine\">Sweet Home Mine (Home Sweet Home Mine)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMount_Bross\" class=\"extiw\" title=\"en:Mount Bross\">Mount Bross\u003C\u002Fa>, Alma District, Park County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColorado\" class=\"extiw\" title=\"en:Colorado\">Colorado\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3690.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Cubes of purple fluorite, intergrown with gemmy quartz needles, on a matrix of tetrahedrite and pyrite. Sparkling and colorful! 5.4 x 4.3 x 2.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",758,{"id":1964,"source_url":1965,"license_code":1206,"credit_html":1966,"title":1967,"description":1968,"author":1969,"original_width":1311,"original_height":1970},36167,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411664","Марися Лебідь, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411664\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Друза кристалів галеніту, мармариту, халькопіриту і кальцину.jpg","Minerals in Yevhen Lazarenko Mineralogical Museum","Марися Лебідь",3060,{"id":1972,"source_url":1973,"license_code":1472,"credit_html":1974,"title":1975,"description":1541,"author":1542,"original_width":1513,"original_height":1513},37291,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956017","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956017\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chamosite in chert w pyrite Hydrous iron magnesium aluminum silicate Bonita San Diego County California 2494.jpg",{"id":1977,"source_url":1978,"license_code":1472,"credit_html":1979,"title":1980,"description":1541,"author":1542,"original_width":1513,"original_height":1513},37292,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956018","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956018\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chamosite in chert w pyrite Hydrous iron magnesium aluminum silicate Bonita San Diego County California 2495.jpg",{"id":1982,"source_url":1983,"license_code":1206,"credit_html":1984,"title":1985,"description":1986,"author":1987,"original_width":1988,"original_height":1780},50005,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=158856685","Горбунова М.С., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=158856685\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Халькопирит с пентландитом.jpg","rock museum collection","Горбунова М.С.",4312,{"id":1990,"source_url":1991,"license_code":1206,"credit_html":1992,"title":1993,"description":1986,"author":1987,"original_width":1994,"original_height":1995},50006,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=158856693","Горбунова М.С., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=158856693\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Халькопирит с пентландитом 2.jpg",4839,3205,{"id":1997,"source_url":1998,"license_code":1230,"credit_html":1999,"title":2000,"description":1563,"author":1421,"original_width":1505,"original_height":2001},50177,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12481483","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12481483\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Coloradoite, Pyrite, Quartz-338839.jpg",240,{"id":2003,"source_url":2004,"license_code":1230,"credit_html":2005,"title":2006,"description":1570,"author":1421,"original_width":2007,"original_height":1543},50313,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149519","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10149519\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Colusite-Pyrite-169840.jpg",683,{"id":2009,"source_url":2010,"license_code":1206,"credit_html":2011,"title":2012,"description":2013,"author":2014,"original_width":2015,"original_height":2016},50315,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=62529091","Fernando de Gorocica, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=62529091\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pirita (Mineral).jpg","¿Mineral de Pirita o Colusita? ¿O bien un meteorito?\u003Cbr>\nDe color plateado, de 340 gramos. Lo encontré sobre la Av. Wernicke a metros de la calle Conde Zeppelin. Ciudad Jardín Lomas de El Palomar. Provincia de Buenos Aires. Argentina.","Fernando de Gorocica",2467,1651,{"id":2018,"source_url":2019,"license_code":1230,"credit_html":2020,"title":2021,"description":2022,"author":1421,"original_width":1422,"original_height":2023},50958,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169373","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169373\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Covellite-Pyrite-261631.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCovellite\" class=\"extiw\" title=\"en:Covellite\">Covellite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: East Colusa Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FButte\" class=\"extiw\" title=\"en:Butte\">Butte\u003C\u002Fa>, Butte District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSilver_Bow_County,_Montana\" class=\"extiw\" title=\"en:Silver Bow County, Montana\">Silver Bow County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMontana\" class=\"extiw\" title=\"en:Montana\">Montana\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6047.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.9 x 3.9 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>A sharp and jagged \"mountain\" of iridescent peacock-blue and magenta covellite plates is perched on the sparkly, brassy, pyrite microcrystal-rich matrix on this fine old-time specimen from the East Colusa Mine at Butte. A highly representative example of the species and renowned locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",533,{"id":2025,"source_url":2026,"license_code":1230,"credit_html":2027,"title":2028,"description":2029,"author":1421,"original_width":2030,"original_height":2031},51766,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145887","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145887\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danburite-Pyrite-150450.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanburite\" class=\"extiw\" title=\"en:Danburite\">Danburite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCharcas\" class=\"extiw\" title=\"en:Charcas\">Charcas\u003C\u002Fa>, Municipio de Charcas, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSan_Luis_Potos%C3%AD\" class=\"extiw\" title=\"en:San Luis Potosí\">San Luis Potosí\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2296.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.3 x 2.1 x 1.9 cm.\u003C\u002Fdd>\n\u003Cdd>A REALLY CUTE and NIFTY GEM danburite crystal from Charcas, Mexico. Two pyrite crystals are perfectly aligned within the complex termination of this water-clear, colorless danburite. You see the two pyrites in the front of the crystal, but you see Five on the back, due to the multiple crystal faces! This is a nifty crystal with character!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",285,409,{"id":2033,"source_url":2034,"license_code":1230,"credit_html":2035,"title":2036,"description":2037,"author":1484,"original_width":2038,"original_height":1477},51780,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15926170","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15926170\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danburite et pyrite (Mexique).JPG","crystal od danburite, crystals of pyrite : Charcas, Mun. de Charcas, San Luis Potosi, Mexico",3552,{"id":2040,"source_url":2041,"license_code":1230,"credit_html":2042,"title":2043,"description":2044,"author":1421,"original_width":1505,"original_height":2045},52291,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174349","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174349\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vivianite-Pyrite-290422.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVivianite\" class=\"extiw\" title=\"en:Vivianite\">Vivianite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Morococala Mine, Santa Fé Mining District, Dalence Province, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOruro_Department\" class=\"extiw\" title=\"en:Oruro Department\">Oruro Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-339.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.2 x 3.5 x 2.7 cm.\u003C\u002Fdd>\n\u003Cdd>Three gemmy and lustrous, beautiful, bluish-green, prismatic vivianite crystals to 2.4 cm are attractively set on mounded matrix covered with sparkling, iridescent, brassy pyrite microcrystals on this classic and excellent specimen from the 1980s finds at the famous Morococala Mine of Bolivia. The etching on the vivianites reminds me of Wolodarsk heliodors. Ex. Jesse Fisher and Joan Kureczka Collection and according to the accompanying label, was purchased from Marty Zinn at Tucson in 1987. This combination has always been highly desirable, as not many of this quality were found.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",436,{"id":2047,"source_url":2048,"license_code":1230,"credit_html":2049,"title":2050,"description":1595,"author":1421,"original_width":2051,"original_height":2052},52352,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162225","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162225\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodochrosite-Fluorite-Pyrite-221155.jpg",502,432,{"id":2054,"source_url":2055,"license_code":1230,"credit_html":2056,"title":2057,"description":1595,"author":1421,"original_width":1500,"original_height":1589},52353,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162226","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162226\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodochrosite-Fluorite-Pyrite-221157.jpg",{"id":2059,"source_url":2060,"license_code":1575,"credit_html":2061,"title":2062,"description":2063,"author":1579,"original_width":2064,"original_height":2065},52448,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=40914503","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=40914503\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Digenite-pyrite, Butte Mining District, Montana.jpg","\u003Cp>Digenite-pyrite hydrothermal vein sample from Montana, USA. (SDSMT 2125, South Dakota School of Mines and Technology Museum of Geology, Rapid City, South Dakota, USA)\n\u003C\u002Fp>\u003Cp>Very dark blue = digenite\nBrassy gold = pyrite\n\u003C\u002Fp>\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are over 4900 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>The sulfide minerals contain one or more sulfide anions (S-2).  The sulfides are usually considered together with the arsenide minerals, the sulfarsenide minerals, and the telluride minerals.  Many sulfides are economically significant, as they occur commonly in ores.  The metals that combine with S-2 are mainly Fe, Cu, Ni, Ag, etc.  Most sulfides have a metallic luster, are moderately soft, and are noticeably heavy for their size.  These minerals will not form in the presence of free oxygen.  Under an oxygen-rich atmosphere, sulfide minerals tend to chemically weather to various oxide and hydroxide minerals.\n\u003C\u002Fp>\u003Cp>Digenite is a scarce copper sulfide mineral, Cu9S5.  It has a metallic luster, dark bluish-gray to blackish color, dark gray streak, and a Mohs hardness of 2.5 to 3.  It’s usually massive, but can form pseudocubic crystals.  Broken surfaces show conchoidal fracture.  Primary digenite occurs in some copper-bearing hydrothermal veins, some intrusive igneous rocks, and in some sulfide exhalative deposits.\n\u003C\u002Fp>\u003Cp>The digenite sample shown above is from Montana's Butte Mining District.  In this area, digenite occurs in 62 to 66 million year old copper sulfide-rich hydrothermal veins that intrude the Butte Quartz Monzonite, a pluton of the Boulder Batholith (mid-Campanian Stage, late Late Cretaceous, 76 million years).\n\u003C\u002Fp>\u003Cp>Locality: Butte Mining District, Silver Bow County, southwestern Montana, USA\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of digenite:\n\u003C\u002Fp>\n\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fgallery.php?min=1291\">www.mindat.org\u002Fgallery.php?min=1291\u003C\u002Fa>",2192,1578,{"id":2067,"source_url":2068,"license_code":1575,"credit_html":2069,"title":2070,"description":2071,"author":1579,"original_width":2072,"original_height":2073},52449,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564966","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564966\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Digenite-pyrite (latest Cretaceous to earliest Tertiary, 62-66 Ma; Leonard Mine, Butte, Montana, USA) 11.jpg","Digenite-pyrite hydrothermal vein sample from Montana, USA.\n\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are over 5600 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>The sulfide minerals contain one or more sulfide anions (S-2).  The sulfides are usually considered together with the arsenide minerals, the sulfarsenide minerals, and the telluride minerals.  Many sulfides are economically significant, as they occur commonly in ores.  The metals that combine with S-2 are mainly Fe, Cu, Ni, Ag, etc.  Most sulfides have a metallic luster, are moderately soft, and are noticeably heavy for their size.  These minerals will not form in the presence of free oxygen.  Under an oxygen-rich atmosphere, sulfide minerals tend to chemically weather to various oxide and hydroxide minerals.\n\u003C\u002Fp>\u003Cp>Digenite is a scarce copper sulfide mineral, Cu9S5.  It has a metallic luster, dark bluish-gray to blackish color, dark gray streak, and a Mohs hardness of 2.5 to 3.  It’s usually massive, but can form pseudocubic crystals.  Broken surfaces show conchoidal fracture.  Primary digenite occurs in some copper-bearing hydrothermal veins, some intrusive igneous rocks, and in some sulfide exhalative deposits.\n\u003C\u002Fp>\u003Cp>The digenite sample seen here is from Montana's Butte Mining District.  In this area, digenite occurs in 62 to 66 million year old copper sulfide-rich hydrothermal veins that intrude the Butte Quartz Monzonite, a pluton of the Boulder Batholith (mid-Campanian Stage, late Late Cretaceous, 76 million years).\n\u003C\u002Fp>\u003Cp>Locality: Leonard Mine, Butte Mining District, Silver Bow County, southwestern Montana, USA\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of digenite:\n\u003C\u002Fp>\nwww.mindat.org\u002Fgallery.php?min=1291",2236,2038,{"id":2075,"source_url":2076,"license_code":1575,"credit_html":2077,"title":2078,"description":2071,"author":1579,"original_width":2079,"original_height":2080},52451,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564974","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564974\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Digenite-pyrite (latest Cretaceous to earliest Tertiary, 62-66 Ma; Leonard Mine, Butte, Montana, USA) 9.jpg",2088,1678,{"id":2082,"source_url":2083,"license_code":1575,"credit_html":2084,"title":2085,"description":2071,"author":1579,"original_width":2086,"original_height":2087},52453,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564986","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97564986\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Digenite-pyrite (latest Cretaceous to earliest Tertiary, 62-66 Ma; Leonard Mine, Butte, Montana, USA) 6.jpg",1972,2296,{"id":2089,"source_url":2090,"license_code":1206,"credit_html":2091,"title":2092,"description":2093,"author":1412,"original_width":1178,"original_height":2094},55596,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=57941455","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=57941455\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rhodonite, pyrite, quartz 1.jpg","Rhodonite, pyrite, quartz : Morro da Mina Mine, Conselheiro Lafaiete (Queluz de Minas), Minas Gerais, Brazil",1541,{"id":2096,"source_url":2097,"license_code":1639,"credit_html":2098,"title":2099,"description":2100,"author":1643,"original_width":1644,"original_height":1261},57354,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206115","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206115\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite with Pyrite (47911618191).jpg","\u003Cp>Cerro de Pasco\nPeru\n\u003C\u002Fp>\nS-74-1890",{"id":2102,"source_url":2103,"license_code":1230,"credit_html":2104,"title":2105,"description":2106,"author":1421,"original_width":1422,"original_height":2107},59668,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139207","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139207\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-Calcite-Hubeite-118459.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHubeite\" class=\"extiw\" title=\"en:Hubeite\">Hubeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Fengjiashan Mine (Daye Copper mine), Edong Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaye,_Hubei\" class=\"extiw\" title=\"en:Daye, Hubei\">Daye County\u003C\u002Fa>, Huangshi Prefecture, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHubei\" class=\"extiw\" title=\"en:Hubei\">Hubei Province\u003C\u002Fa>, China (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7317.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 13.3 x 10.9 x 5.6 cm.\u003C\u002Fdd>\n\u003Cdd>A dazzling combo piece from the Daye Mine! The pyrite crystal that crowns one end of the specimen is a total knockout - just stunning in its luster, form, and the way it sits up on the matrix like a jewel. On the other side of the specimen is a silky quartz crystal, wrapped with calcites and chocolate-brown hubeites. There is so much going on here - all of it pretty! Pyrite is very unusual for the locality and even more so in combination with all the other minerals there. This is a rare quality, in combination, and not just a combination if that makes sense.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",519,{"id":2109,"source_url":2110,"license_code":1230,"credit_html":2111,"title":2112,"description":2113,"author":2114,"original_width":2115,"original_height":2116},59819,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146989603","HolDu, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146989603\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hutchinsonit, Auripigment, Baryt, Pyrit, Quarz (OM1-400A).JPG","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHutchinsonite\" class=\"extiw\" title=\"en:Hutchinsonite\">Hutchinsonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FBaryte\" class=\"extiw\" title=\"de:Baryte\">Baryte\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FOrpiment\" class=\"extiw\" title=\"de:Orpiment\">Orpiment\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Quiruvilca (Santiago de Chuco, La Libertad), Peru\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","HolDu",5184,3888,{"id":2118,"source_url":2119,"license_code":1230,"credit_html":2120,"title":2121,"description":2122,"author":1663,"original_width":2123,"original_height":2124},60630,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6716129","Ra'ike (see also: de:Benutzer:Ra'ike), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6716129\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ilvait (Lievrit) mit Pyrit - Calamita, Elba.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FIlvaite\" class=\"extiw\" title=\"en:Ilvaite\">Ilvaite\u003C\u002Fa> (Lievrite) with \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa> - Locality: Calamita, Elba - Exposed in the Mineralogical Museum, Bonn, Germany",2300,2150,{"id":2126,"source_url":2127,"license_code":1230,"credit_html":2128,"title":2129,"description":2130,"author":1421,"original_width":1422,"original_height":2131},61404,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165228","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165228\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Jamesonite-Pyrite-239900.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJamesonite\" class=\"extiw\" title=\"en:Jamesonite\">Jamesonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZacatecas\" class=\"extiw\" title=\"en:Zacatecas\">Zacatecas\u003C\u002Fa>, Municipio de Zacatecas, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZacatecas\" class=\"extiw\" title=\"en:Zacatecas\">Zacatecas\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-20185.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.4 x 5.2 x 4.9 cm.\u003C\u002Fdd>\n\u003Cdd>Nests of scintillating, soft-to-the-touch, hair-like, jamesonite needles to about 1.5 cm richly cover the front of the mounded matrix of sulfides on this classic specimen from Zacatecas, Mexico. A lustrous, 6 mm, pyrite crystal on top of the matrix is a nice touch. Ex. Mullane Collection. This piece dates to the 1960s or 1970s.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",469,{"id":2133,"source_url":2134,"license_code":1230,"credit_html":2135,"title":2136,"description":2137,"author":1421,"original_width":2138,"original_height":2023},61406,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167931","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167931\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sphalerite-Bornite-Pyrite-253910.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSphalerite\" class=\"extiw\" title=\"en:Sphalerite\">Sphalerite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBornite\" class=\"extiw\" title=\"en:Bornite\">Bornite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJamesonite\" class=\"extiw\" title=\"en:Jamesonite\">Jamesonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Estaño Orcko mine (Estaño Orkho mine), Machacamarca District (Colavi District), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCornelio_Saavedra_Province\" class=\"extiw\" title=\"en:Cornelio Saavedra Province\">Cornelio Saavedra Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-194724.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.8 x 6.7 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>From the find from about 7 years ago (2002), this is a piece from that great find at the Estano Orcko mine. This small cabinet size specimen features a few good-size, relatively sharp, dark, lustrous, modified dodecahedra of Sphalerite associated with pyritohedral crystals of Pyrite and acicular crystals of Jamesonite. The Sphalerite crystals have a very slight unusual \"peacock blue-green\" patina which is actually a Bornite \"wash\" that is seen on practically every specimen from this find.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",536,{"id":2140,"source_url":2141,"license_code":1230,"credit_html":2142,"title":2143,"description":2137,"author":1421,"original_width":2144,"original_height":1589},61407,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167933","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167933\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sphalerite-Bornite-Pyrite-253911.jpg",405,{"id":2146,"source_url":2147,"license_code":1739,"credit_html":2148,"title":2149,"description":1742,"author":1743,"original_width":1744,"original_height":1745},61414,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21515988","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21515988\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Jamesonite, Pyrite-392078.jpg",{"id":2151,"source_url":2152,"license_code":1230,"credit_html":2153,"title":2154,"description":2155,"author":1421,"original_width":2156,"original_height":2157},62101,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137096","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137096\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Calcite-Siderite-Pyrite-67806.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Herja Mine (Kisbánya), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaia_Mare\" class=\"extiw\" title=\"en:Baia Mare\">Baia Mare (Nagybánya)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMaramure%C5%9F_County\" class=\"extiw\" title=\"en:Maramureş County\">Maramures County\u003C\u002Fa>, Romania (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2601.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An EXCELLENT, classic, old-time CABINET combination specimen from the famed Herja Mine of Romania. Cream-colored calcite crystals are very aesthetically set on sparkly, yellow-green siderite crystal discs and on a brassy nest of pyrite. The notecard indicates that the piece was collected in 1967 10.5 x 9.6 x 4.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",594,650,{"id":2159,"source_url":2160,"license_code":1206,"credit_html":2161,"title":2162,"description":1968,"author":1969,"original_width":1311,"original_height":1970},62577,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411652","Марися Лебідь, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411652\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Тальк-хлорит піритовий матасоматит по піроксеновому скарну.jpg",{"id":2164,"source_url":2165,"license_code":1206,"credit_html":2166,"title":2167,"description":2168,"author":2169,"original_width":2170,"original_height":2171},64626,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163030163","Lodewicus de Honsvels, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163030163\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Linneit-Pyrit-Chalkopyrit.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLinnaeite\" class=\"extiw\" title=\"en:Linnaeite\">Linnaeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Weight: 85.2 g\u003C\u002Fdd>\n\u003Cdd>Locality: Müsen, North Rhine-Westphalia, Germany\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Lodewicus de Honsvels",5021,2953,{"id":2173,"source_url":2174,"license_code":1230,"credit_html":2175,"title":2176,"description":2177,"author":1421,"original_width":2178,"original_height":2179},64912,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10136104","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10136104\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-Marcasite-Calcite-61202.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMarcasite\" class=\"extiw\" title=\"en:Marcasite\">Marcasite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDolomite\" class=\"extiw\" title=\"en:Dolomite\">Dolomite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNanisivik_Mine\" class=\"extiw\" title=\"en:Nanisivik Mine\">Nanisivik Mine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNanisivik\" class=\"extiw\" title=\"en:Nanisivik\">Nanisivik\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaffin_Island\" class=\"extiw\" title=\"en:Baffin Island\">Baffin Island\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNunavut\" class=\"extiw\" title=\"en:Nunavut\">Nunavut Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-514.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A DRAMATIC and SIGNIFICANT LARGE CABINET combination piece from the famous Nanisivik Mine, above the Arctic Circle on Baffin Island, North West Territory, Canada. Most of the specimen and matrix consists of sparkly, brassy pyrite blades pseudomorphing marcasite. Aesthetically scattered are lustrous, doubly terminated, amber calcite crystals to 1.8 cm, clusters of lustrous, chalcopyrite-speckled, gray dolomite rhombs, and transparent, water-clear, doubly terminated quartz crystals to 5.8 cm. Scattered periphery damage is trivial, for such a large piece. The Nanisivik Mine is one of the highest latitude and coldest underground mines in the world. 15.3 x 11.5 x 7.0 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",556,675,{"id":2181,"source_url":2182,"license_code":1206,"credit_html":2183,"title":2184,"description":2185,"author":2186,"original_width":512,"original_height":1543},64924,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132197806","Mineralysk, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132197806\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","1157 Markazit a pyrit - Bankov - Košice.jpg","1157 Markazit a pyrit - Bankov - Košice","Mineralysk",{"id":2188,"source_url":2189,"license_code":1230,"credit_html":2190,"title":2191,"description":1758,"author":1421,"original_width":2192,"original_height":1422},65286,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138892","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138892\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Luzonite-Enargite-Pyrite-117725.jpg",393,{"id":2194,"source_url":2195,"license_code":1230,"credit_html":2196,"title":2197,"description":2198,"author":1421,"original_width":2199,"original_height":2200},65287,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140328","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140328\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite-Luzonite-Pyrite-120825.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEnargite\" class=\"extiw\" title=\"en:Enargite\">Enargite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLuzonite\" class=\"extiw\" title=\"en:Luzonite\">Luzonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pen-Shan Ore Body, Chinkuahshih Mine, Jui-Fang Town, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaipei_County\" class=\"extiw\" title=\"en:Taipei County\">Taipei County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaiwan_Province\" class=\"extiw\" title=\"en:Taiwan Province\">Taiwan Province\u003C\u002Fa>, Taiwan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8084.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.7 x 6 x 4.5 cm.\u003C\u002Fdd>\n\u003Cdd>Exceptional specimen of Enargite altering to Luzonite. The black blades of Enargite, which can reach 1 cm in length, have excellent luster, and the striations on the faces add greatly to the aesthetics. The Luzonite is growing on the terminations of many of the crystals, creating an unusual and attractive appearance to each Enargite. The Enargites surround a bed of beautiful lustrous Pyrites.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,399,{"id":2202,"source_url":2203,"license_code":1230,"credit_html":2204,"title":2205,"description":2198,"author":1421,"original_width":2206,"original_height":2207},65288,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140329","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140329\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite-Luzonite-Pyrite-120826.jpg",499,345,{"id":2209,"source_url":2210,"license_code":1230,"credit_html":2211,"title":2212,"description":2213,"author":1421,"original_width":2214,"original_height":2199},65293,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166145","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166145\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite-Luzonite-Pyrite-244421.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEnargite\" class=\"extiw\" title=\"en:Enargite\">Enargite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLuzonite\" class=\"extiw\" title=\"en:Luzonite\">Luzonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pen-Shan Ore Body, Chinkuahshih Mine, Jui-Fang Town, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaipei_County\" class=\"extiw\" title=\"en:Taipei County\">Taipei County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaiwan_Province\" class=\"extiw\" title=\"en:Taiwan Province\">Taiwan Province\u003C\u002Fa>, Taiwan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8084.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.5 x 5.3 x 4.1 cm.\u003C\u002Fdd>\n\u003Cdd>An exceptional specimen of Enargite altering to Luzonite. The black blades of Enargite, which can reach 1.1 cm in length, have excellent luster, and the striations on the faces add greatly to the aesthetics. The Luzonite is growing on the terminations of many of the crystals of Enargite. The Enargites surround a bed of beautiful lustrous Pyrites. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",464,{"id":2216,"source_url":2217,"license_code":1230,"credit_html":2218,"title":2219,"description":2213,"author":1421,"original_width":2199,"original_height":2220},65294,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166146","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166146\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite-Luzonite-Pyrite-244422.jpg",476,{"id":2222,"source_url":2223,"license_code":1230,"credit_html":2224,"title":2225,"description":2213,"author":1421,"original_width":2199,"original_height":2226},65295,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166148","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166148\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enargite-Luzonite-Pyrite-244423.jpg",318,{"id":2228,"source_url":2229,"license_code":1639,"credit_html":2230,"title":2231,"description":2232,"author":1643,"original_width":1261,"original_height":1644},72036,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118188377","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118188377\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Owyheeite with Sulfur and Pyrite (48417885647).jpg","\u003Cp>near Hazelton\n\u003C\u002Fp>\nBritish Columbia, Canada",{"id":2234,"source_url":2235,"license_code":1639,"credit_html":2236,"title":2237,"description":2238,"author":1643,"original_width":1261,"original_height":1644},72037,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118205806","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118205806\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Owyheeite with Quartz, Native Sulphur, and Pyrite (46995658235).jpg","\u003Cp>Near Hazelton\nBritish Columbia, Canada\n\u003C\u002Fp>\nS-74-1967",{"id":2240,"source_url":2241,"license_code":1230,"credit_html":2242,"title":2243,"description":2244,"author":1412,"original_width":2245,"original_height":2246},73830,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=31263954","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=31263954\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rubis, phlogopite, pyrite, calcite 300-4-2274.JPG","crystals of corundum var. ruby, crystals of mica var. phlogopite, crystals of pyrite, crystals of calcite : All Abad, Hunza Valley, Gilgit District, Gilgit-Baltistan (Northern Areas), Pakistan - crystal : 14 mm",3997,2648,{"id":2248,"source_url":2249,"license_code":1230,"credit_html":2250,"title":2251,"description":2252,"author":1484,"original_width":1476,"original_height":1477},73831,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=32213396","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=32213396\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazurite, pyrite, phlogopite, calcite 300-4-4974.JPG","lazurite, pyrite, mica var. phlogopite, calcite : Sar-e-Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province),  Afghanistan",{"id":2254,"source_url":2255,"license_code":1230,"credit_html":2256,"title":2257,"description":2258,"author":2114,"original_width":2115,"original_height":2116},74847,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147323659","HolDu, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147323659\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Polybasit, Quarz, Pyrit (OM1-382A).JPG","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPolybasite\" class=\"extiw\" title=\"en:Polybasite\">Polybasite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hodric, Slovakia\u003C\u002Fdd>\n\u003Cdd>Note: The location stated on the accompanying leaflet is unknown. It is very likely that what is meant is today's Hodruša-Hámre (also Hodritsch or Banská Hodruša), Banskobystrický kraj (german \u003Ci>Neusohler Landschaftsverband\u003C\u002Fi>) in Slovakia.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":2260,"source_url":2261,"license_code":1230,"credit_html":2262,"title":2263,"description":2264,"author":1412,"original_width":2265,"original_height":2266},76462,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17574994","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17574994\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Realgar, galena, pyrite, sphalerite, quartz, orpiment.jpg","realgar, galena, pyrite, sphalerite, quartz, orpiment : Palomo Mine, Castrovirreyna Province, Huancavelica Department, Perù",3883,2784,{"id":2268,"source_url":2269,"license_code":1472,"credit_html":2270,"title":2271,"description":2272,"author":1412,"original_width":1476,"original_height":1477},77549,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5925082","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5925082\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rubis et pyrite sur gangue (Pakistan).jpg","Corundum var. ruby, calcite : Nangimali (Nangimali Top ; Lower Khora marble deposits), Neelum Valley, Muzaffarabad District, Azad Kashmir, Pakistan",{"id":2274,"source_url":2275,"license_code":1354,"credit_html":2276,"title":2277,"description":2278,"author":1358,"original_width":2279,"original_height":1050},78236,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482428","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163482428\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sartorite with pyrite in dolomite (GeoDIL number - 1191).jpg","This 5 cm across pecimen is mostly dolomite but is notable because it contains a few dark gray masses of sartorite, the most prominent of which is just left of center in this photo. It also contains some golden pyrite. Sartorite is a rare lead aresenic sulfide mineral with composition Pb3As4S9. It is usually steel gray with a metallic luster and striated acicular to prismatic crystals. Its best known occurrence is at Lengenbach in Switzerland.",2746,{"id":2281,"source_url":2282,"license_code":1230,"credit_html":2283,"title":2284,"description":2285,"author":1421,"original_width":1422,"original_height":2286},79110,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176265","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176265\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-Sericite-171555.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSericite\" class=\"extiw\" title=\"en:Sericite\">Sericite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Cole Mine (Cole shaft; Cole No. 3), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBisbee\" class=\"extiw\" title=\"en:Bisbee\">Bisbee\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWarren_(biogeographic_region)\" class=\"extiw\" title=\"en:Warren (biogeographic region)\">Warren District\u003C\u002Fa>, Mule Mts, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCochise_County,_Arizona\" class=\"extiw\" title=\"en:Cochise County, Arizona\">Cochise County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3297.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 12.4 x 6.8 x 6.6 cm.\u003C\u002Fdd>\n\u003Cdd>Here is some interesting material from the famous Bisbee mine that many collectors have not seen: this is sericite, which is basically chalky white volcanic ash - in which are embedded crystals of pyrite that formed within it. Dave Stoudt acquired this piece from the Youngblood estate sale in 1998.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",371,{"id":2288,"source_url":2289,"license_code":1230,"credit_html":2290,"title":2291,"description":2285,"author":1421,"original_width":1549,"original_height":2292},79111,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176266","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176266\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyrite-Sericite-171557.jpg",338,{"id":2294,"source_url":2295,"license_code":1230,"credit_html":2296,"title":2297,"description":2298,"author":1421,"original_width":2299,"original_height":1513},79491,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126530","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126530\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siegenite-Galena-Pyrite-38262.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiegenite\" class=\"extiw\" title=\"en:Siegenite\">Siegenite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGalena\" class=\"extiw\" title=\"en:Galena\">Galena\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: West Fork Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCenterville\" class=\"extiw\" title=\"en:Centerville\">Centerville\u003C\u002Fa>, Viburnum Trend District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FReynolds_County,_Missouri\" class=\"extiw\" title=\"en:Reynolds County, Missouri\">Reynolds County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMissouri\" class=\"extiw\" title=\"en:Missouri\">Missouri\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-26180.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Two fine octahedrons of galena coated with siegenite, perched on a specimen of sparkly golden pyrite – mined in December of 1992 at the West Fork Mine. A rare tri-state association piece! 6.6 x 4.9 x 4.3 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",555,{"id":2301,"source_url":2302,"license_code":1230,"credit_html":2303,"title":2304,"description":2305,"author":1484,"original_width":1476,"original_height":1477},79957,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22168949","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22168949\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sodalite, pyrite 2.JPG","crystals of sodalite, crystals of pyrite : Ladjuar Medam (Lajur Madan ; Lapis-lazuli Mine ; Lapis-lazuli deposit), Sar-e Sang (Sar Sang ; Sary Sang), Koksha Valley (Kokscha Valley ; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province ; Badahsan Province), Afghanistan",{"id":2307,"source_url":2308,"license_code":1230,"credit_html":2309,"title":2310,"description":2311,"author":1421,"original_width":2312,"original_height":2052},80392,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167919","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167919\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Pyrite-Stannite-253901.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStannite\" class=\"extiw\" title=\"en:Stannite\">Stannite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Siete Suyos mine, Atocha-Quechisla District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSud_Chichas_Province\" class=\"extiw\" title=\"en:Sud Chichas Province\">Sud Chichas Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-36541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.6 x 4.4 x 2.8 cm.\u003C\u002Fdd>\n\u003Cdd>The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. This piece features several excellent, sharp, gemmy, greenish-brown crystals of Siderite measuring up to 0.8 cm which are sitting upon unusual crystals of lustrous Pyrite (which are actually pseudomorphs after Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality. So far, this find was very limited.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",484,{"id":2314,"source_url":2315,"license_code":1230,"credit_html":2316,"title":2317,"description":2318,"author":1421,"original_width":2319,"original_height":2052},80393,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171030","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171030\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Pyrite-Stannite-271455.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStannite\" class=\"extiw\" title=\"en:Stannite\">Stannite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Siete Suyos mine, Atocha-Quechisla District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSud_Chichas_Province\" class=\"extiw\" title=\"en:Sud Chichas Province\">Sud Chichas Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-36541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.8 x 4.4 x 3.6 cm.\u003C\u002Fdd>\n\u003Cdd>The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. The good news is that I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. I honestly have never seen any specimens from this locality before. This piece features several excellent quality, sharp, gemmy, greenish-brown crystals of Siderite which are sitting upon an unusual crystal of lustrous Pyrite (possibly a pseudomorph after Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. The largest Siderite crystal group measures 2.7 cm across. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality. So far, this find was very limited.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",554,{"id":2321,"source_url":2322,"license_code":1230,"credit_html":2323,"title":2324,"description":2325,"author":1421,"original_width":2326,"original_height":2052},80396,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10173316","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10173316\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Pyrite-Stannite-287958.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStannite\" class=\"extiw\" title=\"en:Stannite\">Stannite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Siete Suyos mine, Atocha-Quechisla District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSud_Chichas_Province\" class=\"extiw\" title=\"en:Sud Chichas Province\">Sud Chichas Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-36541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.1 x 3.5 x 3.2 cm.\u003C\u002Fdd>\n\u003Cdd>The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. The good news is that I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. I have never seen any specimens of this material from this locality before. This piece features several excellent quality, sharp, lustrous, gemmy, greenish-brown crystals of Siderite measuring up to 0.7 cm which are sitting upon unusual crystals of lustrous Pyrite (which are actually pseudomorphs after Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality. So far, this find was very limited.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",483,{"id":2328,"source_url":2329,"license_code":1575,"credit_html":2330,"title":2331,"description":2332,"author":1579,"original_width":2333,"original_height":2334},83271,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157631501","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157631501\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Massive sulfide rock (chalcopyrite-pyrrhotite-pyrite) (Otervann Volcanic Formation, Ordovician; Jakobsbakken Mine, Norway) 2.jpg","Massive sulfide rock from the Ordovician of Norway.\n\u003Cp>This massive sulfide rock is composed of pyrite (iron disulfide, FeS2), pyrrhotite (imperfect iron monosulfide, Fe1-xS), and chalcopyrite (copper iron sulfide, CuFeS2).  It's from a Norwegian copper mine - the chalcopyite-rich rocks there were copper ores.  It comes from a succession of mafic volcanic rocks of Ordovician age that were metamorphosed in the mid-Paleozoic during the Scandinavian phase of the Caledonian Orogeny.\n\u003C\u002Fp>\u003Cp>Stratigraphy: Otervann Volcanic Formation, Ordovician (with metamorphism in the Silurian to Devonian)\n\u003C\u002Fp>\u003Cp>Locality: Level 13½ of the Jakobsbakken Mine, Southern Ore Field of the Sulitjelma Copper Mines, Nordland, Norway\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Info. at:\naps.ngu.no\u002Fpls\u002Foradb\u002Fminres_deposit_fakta_NY_KS.Main?p_ob...\nand\nwww.mindat.org\u002Floc-34428.html\nand\n\u003C\u002Fp>\nwww.mindat.org\u002Floc-14413.html",3600,2373,{"id":2336,"source_url":2337,"license_code":1230,"credit_html":2338,"title":2339,"description":2340,"author":1421,"original_width":2341,"original_height":1422},84861,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152459","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152459\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Variscite-Pyrite-179447.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVariscite\" class=\"extiw\" title=\"en:Variscite\">Variscite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Cole Mine (Cole shaft; Cole No. 3), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBisbee\" class=\"extiw\" title=\"en:Bisbee\">Bisbee\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWarren_(biogeographic_region)\" class=\"extiw\" title=\"en:Warren (biogeographic region)\">Warren District\u003C\u002Fa>, Mule Mts, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCochise_County,_Arizona\" class=\"extiw\" title=\"en:Cochise County, Arizona\">Cochise County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3297.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.4 x 4.8 x 4.6 cm.\u003C\u002Fdd>\n\u003Cdd>This is an old Bisbee variscite, and a super-rich and solid one. There is just a small amount of matrix here - this is almost all blue-green variscite. Weighs 165 grams.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",579,{"id":2343,"source_url":2344,"license_code":1230,"credit_html":2345,"title":2346,"description":2347,"author":1421,"original_width":2348,"original_height":1596},87211,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10148010","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10148010\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zinkenite-Pyrite-162813.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZinkenite\" class=\"extiw\" title=\"en:Zinkenite\">Zinkenite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Itos Mine, Oruro City, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCercado\" class=\"extiw\" title=\"en:Cercado\">Cercado Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOruro_Department\" class=\"extiw\" title=\"en:Oruro Department\">Oruro Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-346.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 10.1 x 4.7 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>A superb and very rich CABINET specimen of radiating clusters of lustrous, steel-gray zinkenite blades on nicely contrasting pyrite matrix from the Itos and San Jose Mines of Bolivia. This is an exceptional specimen for this lead, antimony sulfosalt from this famous locality.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",625,[2350,2357,2362,2367,2372],{"id":2351,"url":2352,"label":2353,"formula":2354,"spacegroup":2355,"year":2356},11586,"\u002Fcif\u002F11586.cif","Rieder 2007 · Fe S2","Fe S2","P a 3",2007,{"id":2358,"url":2359,"label":2360,"formula":2361,"spacegroup":2355,"year":2356},11587,"\u002Fcif\u002F11587.cif","Rieder 2007 · Fe (S1.974 As.026)","Fe (S1.974 As.026)",{"id":2363,"url":2364,"label":2365,"formula":2366,"spacegroup":2355,"year":2356},11588,"\u002Fcif\u002F11588.cif","Rieder 2007 · Fe (S1.46 As.54)","Fe (S1.46 As.54)",{"id":2368,"url":2369,"label":2370,"formula":2371,"spacegroup":2355,"year":1178},11589,"\u002Fcif\u002F11589.cif","Schmid-Beurmann 1993 · (Fe.75 Cu.25) S2","(Fe.75 Cu.25) S2",{"id":2373,"url":2374,"label":2375,"formula":2376,"spacegroup":2355,"year":1178},11590,"\u002Fcif\u002F11590.cif","Schmid-Beurmann 1993 · (Fe.4 Cu.6) S2","(Fe.4 Cu.6) S2",[2378,2379,2380,2381,2382,2383,2384,2385,2386,2387,2388,2389,2390,2391,2392,2393,2394,2395,2396,2397,2398,2399,2400,2401,2402,2403],"Alpine Diamond","Brass Balls","Copperas Stone","Eisenkies","Fool's Gold","Fools gold","Hexaedrischer Eisenkies","Iron pyrite","Iron Pyrites","Kaltschedan","Leber pyrites","Lebereisener","Lebereisenerz","Marcasites","Mundic","Pyrita","Pyrites","Schwefelkies","Sideropyrit","Sideropyrita","Sideropyrite","Svovl Kis","Vasskis","Vitriolkies","Xanthopyrites","Σπίνος",[2405,2409,2413,2419,2422,2426,2430,2434,2438,2442,2445,2448,2452,2462,2465,2470,2476,2479,2483,2487,2490,2494,2497,2501,2506,2509,2513,2516,2520,2524,2527,2531,2535,2538,2542,2549,2553,2556,2560,2564,2567,2571,2575,2578,2582,2585,2589,2592,2598,2601,2605,2608,2612,2618,2621,2626,2632,2636,2639,2642,2646,2649,2653,2656,2661,2666,2670,2673,2677,2681,2684,2687,2690,2694,2700,2703,2706],{"lang":2406,"names":2407},"af",[2408],"Piriet",{"lang":2410,"names":2411},"an",[2412],"Pirita",{"lang":2414,"names":2415},"ar",[2416,2417,2418],"البيريت","الذهب الكاذب","بيريت",{"lang":2420,"names":2421},"ast",[2412],{"lang":2423,"names":2424},"av",[2425],"ХъинцӀир",{"lang":2427,"names":2428},"az",[2429],"Pirit",{"lang":2431,"names":2432},"ba",[2433],"Пирит",{"lang":2435,"names":2436},"be",[2437],"Пірыт",{"lang":2439,"names":2440},"be-tarask",[2441],"пірыт",{"lang":2443,"names":2444},"bg",[2433],{"lang":2446,"names":2447},"bs",[2429],{"lang":2449,"names":2450},"ca",[2451],"pirita",{"lang":2453,"names":2454},"cs",[2455,2456,2457,2458,2459,2460,2461],"disulfid železnatý","kočičí zlato","kyz železný","pyrit","železný pyrit","zlato bláznů","zlato hlupáků",{"lang":2463,"names":2464},"cv",[2433],{"lang":2466,"names":2467},"da",[2468,2458,2469],"narreguld","svovlkis",{"lang":2471,"names":2472},"de",[2473,2474,2475,2395],"Katzengold","Narrengold","Pyrit",{"lang":2477,"names":2478},"de-ch",[2475],{"lang":2480,"names":2481},"el",[2482],"Σιδηροπυρίτης",{"lang":2484,"names":2485},"eo",[2486],"Pirito",{"lang":2488,"names":2489},"es",[2451],{"lang":2491,"names":2492},"et",[2493],"püriit",{"lang":2495,"names":2496},"eu",[2412],{"lang":2498,"names":2499},"fa",[2500],"پیریت",{"lang":2502,"names":2503},"fi",[2504,2505],"pyriitti","rikkikiisu",{"lang":2507,"names":2508},"fr",[1347],{"lang":2510,"names":2511},"ga",[2512],"pirít",{"lang":2514,"names":2515},"gl",[2412],{"lang":2517,"names":2518},"he",[2519],"פיריט",{"lang":2521,"names":2522},"hi",[2523],"माक्षिक",{"lang":2525,"names":2526},"hr",[2429],{"lang":2528,"names":2529},"hu",[2530],"pirit",{"lang":2532,"names":2533},"hy",[2534],"Պիրիտ",{"lang":2536,"names":2537},"id",[2429],{"lang":2539,"names":2540},"is",[2541],"Pýrít",{"lang":2543,"names":2544},"it",[2545,2546,2547,2548],"ghiaia di ferro","ghiaia di zolfo","oro degli sciocchi","pirite",{"lang":2550,"names":2551},"ja",[2552],"黄鉄鉱",{"lang":2554,"names":2555},"kk",[2433],{"lang":2557,"names":2558},"ko",[2559],"황철석",{"lang":2561,"names":2562},"kw",[2563],"poder",{"lang":2565,"names":2566},"ky",[2433],{"lang":2568,"names":2569},"lt",[2570],"Piritas",{"lang":2572,"names":2573},"lv",[2574],"Pirīts",{"lang":2576,"names":2577},"mg",[2412],{"lang":2579,"names":2580},"mk",[2581],"пирит",{"lang":2583,"names":2584},"mn",[2433],{"lang":2586,"names":2587},"nb",[2588],"svovelkis",{"lang":2590,"names":2591},"nds",[2475],{"lang":2593,"names":2594},"nl",[2595,2596,2597],"ijzer(II)disulfide","ijzerkies","pyriet",{"lang":2599,"names":2600},"nn",[2588],{"lang":2602,"names":2603},"no",[2604],"Svovelkis",{"lang":2606,"names":2607},"oc",[2412,1347],{"lang":2609,"names":2610},"pl",[2611],"piryt",{"lang":2613,"names":2614},"pt",[2615,2412,2616,2548,2617],"ouro de tolo","pirita de ferro","pirite de ferro",{"lang":2619,"names":2620},"pt-br",[2615,2451,2616,2548,2617],{"lang":2622,"names":2623},"ro",[2624,2625],"pirită","pirită de fier",{"lang":2627,"names":2628},"ru",[2629,2630,2581,2631],"железный колчедан","золото дураков","серный колчедан",{"lang":2633,"names":2634},"scn",[2635],"Petra fucali",{"lang":2637,"names":2638},"sco",[7],{"lang":2640,"names":2641},"sh",[2429],{"lang":2643,"names":2644},"si",[2645],"පයිරයිට්",{"lang":2647,"names":2648},"sk",[2458],{"lang":2650,"names":2651},"sl",[2530,2652],"železov kršec",{"lang":2654,"names":2655},"sr",[2581],{"lang":2657,"names":2658},"sv",[2659,2458,2660],"kis","Svavelkis",{"lang":2662,"names":2663},"ta",[2664,2665],"கந்தகக்கல்","நிமிளை",{"lang":2667,"names":2668},"th",[2669],"ไพไรต์",{"lang":2671,"names":2672},"tr",[2530],{"lang":2674,"names":2675},"ug",[2676],"پىرىت",{"lang":2678,"names":2679},"uk",[2680],"Пірит",{"lang":2682,"names":2683},"uz",[2429],{"lang":2685,"names":2686},"vec",[2451],{"lang":2688,"names":2689},"vi",[2475],{"lang":2691,"names":2692},"wuu",[2693],"黄铁矿",{"lang":2695,"names":2696},"zh",[2697,2698,2699,2693],"傻愛成金","愚人金","黃鐵礦",{"lang":2701,"names":2702},"zh-hans",[2693],{"lang":2704,"names":2705},"zh-hant",[2698,2699],{"lang":2707,"names":2708},"zh-tw",[2698,2699],"Q50769",{"history":2711,"applications":2716},{"markdown":2712,"model_version":2713,"prompt_version":2714,"reviewed_at":2715},"Pyrite was named for what it does. Struck with steel or another mineral, it throws sparks. The Greeks called it *pyritēs lithos* — the *stone that strikes fire* — from *pyr*, fire[1].\n\nNodules of pyrite have been found in prehistoric burial mounds, which suggests their use for fire-making long before any written tradition[2].\n\nIn about 50 CE, the Greek physician Dioscorides included the mineral in book 5 of his *Peri hulēs iatrikēs* — *On Medical Material*[4]. The umbrella name *purites lithos* then covered both pyrite and what we now call chalcopyrite[5]. Dioscorides prescribed the powder, mixed with honey, as a remedy for skin problems[6]. Pliny the Elder, writing later in the same century, described a *brassy* stone almost certainly pointing to the same mineral[7].\n\nBy about 1550, *pyrites* had spread in mineralogical writing as a generic term for sulfide minerals[8]. It no longer meant only the iron variety we now call by the name.\n\nIn the 16th and 17th centuries, the spark-striking property gave pyrite a second-life industrial role. In **wheellock** firearms — the precursor to the flintlock — a piece of pyrite was held against a circular file[9]. The file rotated under spring tension, throwing sparks into the powder charge.\n\nPyrite's brassy lustre passes easily for gold in any untrained eye — the source of its fool's-gold nickname[10].","claude-opus-4-7","1.7.0","2026-06-01 15:09:20",{"markdown":2717,"model_version":2713,"prompt_version":2714,"reviewed_at":2718},"Pyrite was historically mined as a source of sulfur, particularly for sulfuric acid production[1]. As petroleum processing offered more convenient sulfur, the practice declined.\n\nA few modern uses remain. Pyrite still serves as a sulfuric acid feedstock in some industrial settings[2]. Research has also explored it as a semiconductor material and as a battery cathode[3].\n\nPyrite also feeds the jewellery and decorative-stone markets[4].\n\nItaly and China lead world production today, followed by Russia and Peru. Spain — long the historic centre of pyrite mining — no longer holds the top position[5].","2026-06-01 15:10:25"]