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3H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","3.38",23708,[],[],6530,[480,484,488,492,496,500,504,508,512,516,521,525,529,533,537,541,546,551,555,559,563,567,571,576,581,585,590,594,598,602,606,611,615,620],{"id":481,"year":482,"html":483,"doi":11},16123451,1565,"Gesner, C. (1565) De omni rerum fossilium genere, gemmis, lapidibus, metallis, etc. Tiguri (as Stahelreich Eisen).",{"id":485,"year":486,"html":487,"doi":11},16123452,1747,"Wallerius, J.G (1747) Mineralogia, eller Mineralriket. Stockholm (as Spatformig Jernmalm).",{"id":489,"year":490,"html":491,"doi":11},12960775,1758,"Cronstedt, Axel Fredrik (1758) \u003Ci>Försök till en Mineralogie eller Mineral Rikets Upställning\u003C\u002Fi>. J. A. Carlbohm, Stockholm. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002FForsokTillEnMineralogie\u002Fcronstedt-a-forsok-1781-RTL002100-LowRes.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":493,"year":494,"html":495,"doi":11},17556044,1783,"Lisle, Jean-Baptiste-Louis Romé de, Romé de L'Isle, Jean-Baptiste Louis de (1783) \u003Ci>Cristallographie, ou Description des formes propres à tous les corps du règne minéral dans l'état de combinaison saline, pierreuse ou métallique [Crystallography, or Description of the forms specific to all bodies of the mineral kingdom in the state of saline, stony or metallic combination]\u003C\u002Fi> (2nd ed.). L'Imprimerie de Monsieur.",{"id":497,"year":498,"html":499,"doi":11},16123455,1812,"Wollaston (1812) Phil. Trans.: 159.",{"id":501,"year":502,"html":503,"doi":11},17557205,1813,"Hausmann, Johann Friedrich Ludwig (1813) \u003Ci>Handbuch der Mineralogie\u003C\u002Fi> (1st ed.). Vandenhoeck und Ruprecht. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002Fhandbuchdermine01hausgoog\u002Fhandbuchdermine01hausgoog.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":505,"year":506,"html":507,"doi":11},16161667,1847,"Glocker, Ernst Friedrich (1847) \u003Ci>Generum et specierum mineralium, secundum ordines naturales digestorum synopsis, omnium, quotquot adhuc reperta sunt, mineralium nomina complectens [A synopsis of the genera and species of minerals, according to their natural orders, including the names of all the minerals that have yet been discovered.]\u003C\u002Fi>. Eduardus Anton. 348 pp. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002Fgenerumetspecie00unkngoog\u002Fgenerumetspecie00unkngoog.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":509,"year":510,"html":511,"doi":11},16107829,1902,"Johnsen (1902) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: II: 133.",{"id":513,"year":514,"html":515,"doi":11},16123458,1903,"Hutchinson (1903) Mineralogical Magazine: 13: 209.",{"id":517,"year":518,"html":519,"doi":520},4794,1909,"Kreutz, Stefan (1909) Contributions to the study of parallel growths of different substances. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  15 (70) 232-237 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1909.015.70.05'>doi:10.1180\u002Fminmag.1909.015.70.05\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_15\u002F15-70-232.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1909.015.70.05",{"id":522,"year":523,"html":524,"doi":11},4468625,1916,"(1916) \u003Ci>Atlas Der Krystallformen\u003C\u002Fi> Vol. 3 - Text - Band III - Danalith-Feldspat-Gruppe. Carl Winters Universitätsbuchhandlung, Heidelberg.",{"id":526,"year":527,"html":528,"doi":11},16123461,1918,"Honess (1918) American Journal of Science: 45: 201.",{"id":530,"year":531,"html":532,"doi":11},16104464,1920,"Wyckoff, R.W.G. (1920) The crystal structures of some carbonates of the calcite group. American Journal of Science: 50: 317-360.",{"id":534,"year":535,"html":536,"doi":11},16123463,1921,"Niggli (1921) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 56: 224.",{"id":538,"year":539,"html":540,"doi":11},16123464,1926,"Klerk (1926) Beiträge zur Krystallographie und Mineralogie, Heidelberg: 3: 85.",{"id":542,"year":543,"html":544,"doi":545},234407,1929,"Trischka, Carl, Rove, Olaf N., Barringer, Daniel Moreau (1929) Boxwork siderite. \u003Ci>Economic Geology\u003C\u002Fi>,  24 (7) 677-686 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgsecongeo.24.7.677'>doi:10.2113\u002Fgsecongeo.24.7.677\u003C\u002Fa>","10.2113\u002Fgsecongeo.24.7.677",{"id":547,"year":548,"html":549,"doi":550},105075,1935,"Schoklitsch, Karl (1935) Beitrag zur Physiographie steirischer Karbonspäte. \u003Ci>Zeitschrift für Kristallographie, Mineralogie und Petrographies\u003C\u002Fi>,  90 (4). 433-445 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1935.90.1.433'>doi:10.1524\u002Fzkri.1935.90.1.433\u003C\u002Fa>","10.1524\u002Fzkri.1935.90.1.433",{"id":552,"year":553,"html":554,"doi":11},16123465,1941,"Fornaseri (1941) Rendus soc. min. ital. (1941): 1: 60.",{"id":556,"year":557,"html":558,"doi":11},521287,1942,"Wayland, Russell G. (1942) Composition, specific gravity and refractive indices of rhodochrosite; rhodochrosite from Butte, Montana. \u003Ci>American Mineralogist\u003C\u002Fi>,  27 (9) 614-628 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM27\u002FAM27_614.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":560,"year":561,"html":562,"doi":11},521900,1949,"Rowland, Richards A., Jonas, Edward C. (1949) Variations in differential thermal analysis curves of siderite. \u003Ci>American Mineralogist\u003C\u002Fi>,  34 (7-8) 550-558 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM34\u002FAM34_550.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":564,"year":565,"html":566,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":568,"year":569,"html":570,"doi":11},16123469,1958,"Henderson, E.P. and Perry, S.H. (1958) Studies of seven siderites: Proceedings of the U.S. National Museum: 107: 339-403.",{"id":572,"year":573,"html":574,"doi":575},168049,1962,"Goldsmith, Julian R., Graf, Donald L., Witters, Juanita, Northrop, David A. (1962) Studies in the System CaCO3-MgCO3-FeCO3: 1. Phase Relations; 2. A Method for Major-Element Spectrochemical Analysis; 3. Compositions of Some Ferroan Dolomites. \u003Ci>The Journal of Geology\u003C\u002Fi>,  70 (6) 659-688 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1086\u002F626865'>doi:10.1086\u002F626865\u003C\u002Fa>","10.1086\u002F626865",{"id":577,"year":578,"html":579,"doi":580},109929,1981,"Effenberger, H., Mereiter, Κ., Zemann, J. (1981) Crystal structure refinements of magnesite, calcite, rhodochrosite, siderite, smithonite [sic], and dolomite, with discussion of some aspects of the stereochemistry of calcite type carbonates. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  156 (1-4) 233 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1981.156.14.233'>doi:10.1524\u002Fzkri.1981.156.14.233\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol156\u002FZK156_233.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1981.156.14.233",{"id":582,"year":583,"html":584,"doi":11},17002114,1983,"Reeder, R.J. (Ed.) (1983) Carbonates: Mineralogy and Geochemistry. \u003Ci>Reviews in Mineralogy\u003C\u002Fi> Vol. 11. Mineralogical Society of America",{"id":586,"year":587,"html":588,"doi":589},13673736,1993,"Böttcher, Michael E.; Gehlken, Peer-Lennart; Usdowski, Eberhard; Reppke, Volker (1993) An Infrared Spectroscopic Study of Natural and Synthetic Carbonates from the Quaternary System CaCO3-MgCO3-FeCO3-MnCO3. \u003Ci>Zeitschrift der Deutschen Geologischen Gesellschaft\u003C\u002Fi>,  144 (2). 478-484 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fzdgg\u002F144\u002F1993\u002F478'>doi:10.1127\u002Fzdgg\u002F144\u002F1993\u002F478\u003C\u002Fa>","10.1127\u002Fzdgg\u002F144\u002F1993\u002F478",{"id":591,"year":592,"html":593,"doi":11},1118654,1997,"Gaines, Richard V.; Skinner, H. Catherine W.; Foord, Eugene E.; Mason, Brian; Rosenzweig, Abraham; King, Vandall T. (1997) \u003Ci>Dana's New Mineralogy\u003C\u002Fi> (8th ed.). Wiley-Interscience. 1872 pp.",{"id":595,"year":596,"html":597,"doi":11},16771791,2003,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2003) \u003Ci>Handbook of Mineralogy\u003C\u002Fi> Vol. 5 - Borates, Carbonates, Sulfates. Mineral Data Publishing, Tucson, Arizona.",{"id":599,"year":596,"html":600,"doi":601},16109136,"BURFORD, EUAN P., KIERANS, MARTIN, GADD, GEOFFREY M. (2003) Geomycology: fungi in mineral substrata. \u003Ci>Mycologist\u003C\u002Fi>,  17 (3). 98-107 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1017\u002Fs0269915x03003112'>doi:10.1017\u002Fs0269915x03003112\u003C\u002Fa>","10.1017\u002Fs0269915x03003112",{"id":603,"year":604,"html":605,"doi":11},16967312,2005,"(2005) Siderite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fsiderite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":607,"year":608,"html":609,"doi":610},16899214,2023,"Alves, Julliana F., Edwards, Howell G. M., Korsakov, Andrey, Oliveira, Luiz Fernando C. (2023) Revisiting the Raman Spectra of Carbonate Minerals. \u003Ci>Minerals\u003C\u002Fi>,  13 (11) 1358 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin13111358'>doi:10.3390\u002Fmin13111358\u003C\u002Fa>","10.3390\u002Fmin13111358",{"id":612,"year":608,"html":613,"doi":614},16628588,"Keykha, Hamed Abdeh; Zangani, Alireza; Romiani, Hadi Mohamadzadeh; Asadi, Afshin; Kawasaki, Satoru; Radmanesh, Niloofar (2023) Characterizing Microbial and CO2-Induced Carbonate Minerals: Implications for Soil Stabilization in Sandy Environments. \u003Ci>Minerals\u003C\u002Fi>,  13 (7). 976 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin13070976'>doi:10.3390\u002Fmin13070976\u003C\u002Fa>","10.3390\u002Fmin13070976",{"id":616,"year":617,"html":618,"doi":619},18971051,2025,"Mitchell, Roger H. (2025) Recommendations for the Terminology of Carbonates in the Ternary System CaCO3–MgCO3–FeCO3 with Reference to Ankerite, “Breunnerite”, the Magnesite–Siderite Solid Solution Series, and Carbonatite Nomenclature. \u003Ci>The Canadian Journal of Mineralogy and Petrology\u003C\u002Fi>,  63 (4). 319-323 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002F2500029'>doi:10.3749\u002F2500029\u003C\u002Fa>","10.3749\u002F2500029",{"id":621,"year":617,"html":622,"doi":623},19194728,"Rasmussen, Birger; Muhling, Janet R.; Tosca, Nicholas J. (2025) Siderite precipitation in Paleoarchean oceans during hydrothermal venting. \u003Ci>Science Advances\u003C\u002Fi>,  11 (46). eady6851 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1126\u002Fsciadv.ady6851'>doi:10.1126\u002Fsciadv.ady6851\u003C\u002Fa>","10.1126\u002Fsciadv.ady6851",[625,635,642,646,655,665,673,682,691,700,708,716,726,734,743,750,760,769,777,786,794,803,809,818,826,833,841,851,858,866,872,880,886,894,902,908,915,921,926,931,941,948,955,963,972,979,986,995,1002,1009,1017,1024,1031,1038,1047,1053,1061,1070,1077,1083,1090,1095,1100,1107,1114,1121,1127,1134,1141,1147,1154,1159,1166,1173,1180,1186,1192,1198,1207,1214,1221,1228,1234,1241],{"id":626,"source_url":627,"license_code":628,"credit_html":629,"title":630,"description":631,"author":632,"original_width":633,"original_height":634},22253,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7419353","CC BY-SA 4.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7419353\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite late 1800s Redruth.jpg","Siderite, quartz and chalcopyrite \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Typical mineral association of this  particular historic location. The specimen dates from the late nineteenth century.\u003C\u002Fdd>\n\u003Cdd>Locality : Redruth - St Day District, Cornwall, England, UK\u003C\u002Fdd>\n\u003Cdd>size :  4.3x3.5cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",5392,3997,{"id":636,"source_url":637,"license_code":638,"credit_html":639,"title":7,"description":11,"author":11,"original_width":640,"original_height":641},30695,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F115095","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\u002F115095\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":643,"source_url":644,"license_code":638,"credit_html":645,"title":7,"description":11,"author":11,"original_width":640,"original_height":641},30696,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114978","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114978\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":647,"source_url":648,"license_code":628,"credit_html":649,"title":650,"description":651,"author":652,"original_width":653,"original_height":654},71271,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23353744","DerHexer, Wikimedia Commons, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23353744\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Harvard Museum of Natural History. Siderite. Gilman, Eagle Co., CO (DerHexer) 2012-07-20.jpg","Harvard Museum of Natural History. Siderite. Gilman, Eagle Co., CO.","DerHexer, Wikimedia Commons",2963,2125,{"id":656,"source_url":657,"license_code":658,"credit_html":659,"title":660,"description":661,"author":662,"original_width":663,"original_height":664},76827,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478966","CC0 1.0","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478966\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite in cryolite (GeoDIL number - 801).jpg","This sample contains brown siderite, FeCO3, in white cryolite. Siderite is a rhombohedral carbonate related to calcite, but containing iron instead of calcium. Cryolite, Na3AlF6, is an uncommon mineral. The only place it is found in large quantity is on the west coast of Greenland. This sample is 9 cm in longest dimension.","Darla Sondrol",2872,1896,{"id":666,"source_url":667,"license_code":628,"credit_html":668,"title":669,"description":670,"author":632,"original_width":671,"original_height":672},2417,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8458281","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8458281\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","SideriteBresil2.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa> with Quartz \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : Morro Velho mine, Nova Lima, Minas Gerais, Southeast Region, Brazil\u003C\u002Fdd>\n\u003Cdd>Size : 21x13cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",2947,2966,{"id":674,"source_url":675,"license_code":676,"credit_html":677,"title":678,"description":679,"author":632,"original_width":680,"original_height":681},1479,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8678630","CC BY-SA 3.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8678630\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Annabergite-Siderite- Grece-1.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAnnabergite\" class=\"extiw\" title=\"en:Annabergite\">Annabergite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Km-3 Mine, Lavrion Mines, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLaurium\" class=\"extiw\" title=\"en:Laurium\">Lavrion (Laurion; Laurium)\u003C\u002Fa>, Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece\u003C\u002Fdd>\n\u003Cdd>Size  : View  2.5 cm - Crystal 0.32cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",3535,3056,{"id":683,"source_url":684,"license_code":676,"credit_html":685,"title":686,"description":687,"author":688,"original_width":689,"original_height":690},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>","Robert M. Lavinsky",594,650,{"id":692,"source_url":693,"license_code":628,"credit_html":694,"title":695,"description":696,"author":697,"original_width":698,"original_height":699},3377,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146988907","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146988907\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Löllingite, Bismutite and Siderite 01.jpg","Löllingite, Bismutite and Siderite found in the main ore body of the 152-meter level shaft in the mining district of Hüttenberg, Carinthia, Austria. The red arrow is pointing towards Bismutite.","Kritzolina",4180,2786,{"id":701,"source_url":702,"license_code":676,"credit_html":703,"title":704,"description":705,"author":688,"original_width":706,"original_height":707},71269,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10478328","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10478328\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Galena-Quartz-Siderite-tuc1028e.jpg","\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\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNeudorf\" class=\"extiw\" title=\"en:Neudorf\">Neudorf\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHarzgerode\" class=\"extiw\" title=\"en:Harzgerode\">Harzgerode\u003C\u002Fa>, Harz Mts, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSaxony-Anhalt\" class=\"extiw\" title=\"en:Saxony-Anhalt\">Saxony-Anhalt\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1821.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: cabinet, 13.2 x 9.0 x 5.4 cm\n\u003Cdl>\u003Cdt>Galena and Siderite on Quartz\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Crystals of sharp, lustrous, complex galena cover a matrix of quartz and are associated here with the desirable brown, tranclucent siderite that is classic for this old historic locality. The galenas are typical Neudorf style, extremely lustrous with sharp terminal faces and complex sides, sometimes in elongated crystals, here to 4 cm. This MAJOR German galena specimen was purchased by a prominent German collector from American dealer Rick Smith in 1970. This was the same era in which he was trading many old specimens out of the American Museum collections, and in any case it is certainly from an old source as this habit and style is characteristic of the most sought-after Neudorf specimens, from the mid to late 1800s. Such large, robust specimens are very hard to find today on the market. They ONLY come from major old collections, and the occasional museum deaccession. The piece is in remarkable condition with only trivial and peripheral edge wear, and one area near the bottom of broken galena (although it may simply be contacting and not true damage there as parts of that irregular area look crystallized on a micro scale). Even so, I have seen few CABINET sized examples of any quality; and we regard this as a major specimen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",1382,1500,{"id":709,"source_url":710,"license_code":628,"credit_html":711,"title":712,"description":713,"author":697,"original_width":714,"original_height":715},14680,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990737","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990737\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Löllingite and siderite 01.jpg","Löllingite and siderite from Knappenberg, Hüttenberg, Carinthia, Austria",4354,2902,{"id":717,"source_url":718,"license_code":719,"credit_html":720,"title":721,"description":722,"author":723,"original_width":724,"original_height":725},71270,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=11675093","CC BY 3.0","Hannes Grobe, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=11675093\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Baryt-siderit lauterberg hg.jpg","Siderite xx on Baryte xx - Bad Lauterberg, Harz Mountains, Germany","Hannes Grobe",4256,2832,{"id":727,"source_url":728,"license_code":628,"credit_html":729,"title":730,"description":731,"author":697,"original_width":732,"original_height":733},14681,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990738","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990738\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Löllingite and siderite 02.jpg","Löllingite and siderite from Knappenberg, Hüttenberg, Carinthia, Austria.  The Eurocent allows size comparison.",4403,2935,{"id":735,"source_url":736,"license_code":628,"credit_html":737,"title":738,"description":739,"author":740,"original_width":741,"original_height":742},9584,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85626469","Bergminer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85626469\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Galena siderite Cartagena.jpg","Galena crystals with siderite and greenalite from San Valentín open pit, Cartagena, Spain.","Bergminer",1260,977,{"id":744,"source_url":745,"license_code":628,"credit_html":746,"title":747,"description":713,"author":697,"original_width":748,"original_height":749},14682,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990739","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146990739\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Löllingite and siderite 03.jpg",4556,3037,{"id":751,"source_url":752,"license_code":753,"credit_html":754,"title":755,"description":756,"author":757,"original_width":758,"original_height":759},66206,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117969356","CC BY-SA 2.0","Jan Helebrant, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117969356\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","IMGP2025539 (51585707918).jpg","\u003Cp>galena PbS, siderite Fe2CO3, sphalerite ZnS\nlocality: Příbram-Lill, Czech Republic\nphoto (c) 2021 Jan Helebrant\n\u003C\u002Fp>\n<a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.juhele.blogspot.com\">http:\u002F\u002Fwww.juhele.blogspot.com\u003C\u002Fa>\" rel=\"noreferrer nofollow\">www.juhele.blogspot.com<\u002Fa>","Jan Helebrant",6000,4000,{"id":761,"source_url":762,"license_code":628,"credit_html":763,"title":764,"description":765,"author":766,"original_width":767,"original_height":768},6466,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132069124","Kaethe17, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132069124\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtit-siderit.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa> (Weight: 102.4 g) – Locality: Magdalenengang, Kutná Hora District, Czech Republic","Kaethe17",4104,2736,{"id":770,"source_url":771,"license_code":628,"credit_html":772,"title":773,"description":774,"author":697,"original_width":775,"original_height":776},3378,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146988908","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146988908\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Löllingite, Bismutite and Siderite 02.jpg","Löllingite, Bismutite and Siderite found in the main ore body of the 152-meter level shaft in the mining district of Hüttenberg, Carinthia, Austria. The red arrow is pointing towards Bismutite. The Eurocent allows size comparison.",4102,2735,{"id":778,"source_url":779,"license_code":628,"credit_html":780,"title":781,"description":782,"author":783,"original_width":784,"original_height":785},4047,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=155166614","Silar, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=155166614\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","02024 1509 Siderite rocks from Silesian Beskids.jpg","Siderite rocks from Silesian Beskids","Silar",4381,2921,{"id":787,"source_url":788,"license_code":638,"credit_html":789,"title":790,"description":791,"author":792,"original_width":793,"original_height":793},37900,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=182899709","Marie-Lan Taÿ Pamart, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=182899709\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite calcite and dolomite Ibituruna Minéraux SU.jpg","Siderite, calcite and dolomite from Ibituruna peak, Governador Valadares, Minas Gerais, Brazil. Sorbonne University mineral collection.","Marie-Lan Taÿ Pamart",5537,{"id":795,"source_url":796,"license_code":658,"credit_html":797,"title":798,"description":799,"author":800,"original_width":801,"original_height":802},71277,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188116474","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188116474\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Whiteit Quarz Siderit 30869 2.jpg","Whiteite, quartz and Siderite from Yukon territory, Canada. 30 g","Slashme",6960,4640,{"id":804,"source_url":805,"license_code":658,"credit_html":806,"title":807,"description":808,"author":800,"original_width":801,"original_height":802},71278,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188116475","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188116475\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Whiteit Quarz Siderit 30869 1.jpg","Whiteite, quartz and Siderite from Yukon territory, Canada. 30 g - mm scale",{"id":810,"source_url":811,"license_code":628,"credit_html":812,"title":813,"description":814,"author":815,"original_width":816,"original_height":817},4046,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147663506","Jeremyhoj, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147663506\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite iron ore.jpg","A nodule of siderite clay ironstone also showing a weathered, oxidised surface of limonite, discovered at Oaklands Romano-British ironworking site at Sedlescombe, East Sussex.","Jeremyhoj",1280,960,{"id":819,"source_url":820,"license_code":676,"credit_html":821,"title":822,"description":823,"author":688,"original_width":824,"original_height":825},5252,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10420227","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10420227\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chalcostibite-Siderite-4jg17c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcostibite\" class=\"extiw\" title=\"en:Chalcostibite\">Chalcostibite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: St Pons, Val d'Ubaye, Barcelonette Mts, France\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.6 x 1.7 x 1 cm\n\u003Cdl>\u003Cdt>Chalcostibite on Siderite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A superb thumbnail of this rare species, from THE major find in the mid-1980s at this classic locality. The main crystal, perched nicely on matrix, is 1 cm 2.6 x 1.7 x 1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",313,400,{"id":827,"source_url":828,"license_code":676,"credit_html":829,"title":830,"description":823,"author":688,"original_width":831,"original_height":832},5253,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10420229","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10420229\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chalcostibite-Siderite-4jg17a.jpg",534,542,{"id":834,"source_url":835,"license_code":676,"credit_html":836,"title":837,"description":838,"author":688,"original_width":839,"original_height":840},6496,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453712","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453712\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite-Siderite-mun05-150a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCryolite\" class=\"extiw\" title=\"en:Cryolite\">Cryolite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ivigtut Cryolite deposit, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FIvittuut\" class=\"extiw\" title=\"en:Ivittuut\">Ivittuut (Ivigtut)\u003C\u002Fa>, Arsuk Firth, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArsuk\" class=\"extiw\" title=\"en:Arsuk\">Arsuk\u003C\u002Fa>, Kitaa (West Greenland) Province, Greenland (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1958.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7.4 x 3.6 x 2.1 cm\n\u003Cdl>\u003Cdt>Cryolite with Siderite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>For the last 200 years, these colorless and lustrous, pseudo cubes, of cryolite, from Greenland, a rare sodium, aluminum, fluoride, have been the standard for the species. The locality is not only now long gone, its underwater. THey mined it below sea level, to get cryolite as an important flux agent for the refining of alumninum. Associated with rust colored siderite, some of the cryolite crystals reach .7 cm across. This is a very showy, excellent, affordable, and good-sized example of this now-vanished species\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,411,{"id":842,"source_url":843,"license_code":844,"credit_html":845,"title":846,"description":847,"author":848,"original_width":849,"original_height":850},9377,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80401178","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80401178\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Niveolanite, Franconite, Siderite, Aegirine, Microcline-262401.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNiveolanite\" class=\"extiw\" title=\"en:Niveolanite\">Niveolanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranconite\" class=\"extiw\" title=\"en:Franconite\">Franconite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMicrocline\" class=\"extiw\" title=\"en:Microcline\">Microcline\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV ~ 2.3 cm high. Via Jean-Pierre Beckerich. MOB coll. White fibers of niveolanite on olive siderite and white microcline with black aegirine. The fuzzy white stuff below the niveolanite is franconite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Modris Baum",674,1024,{"id":852,"source_url":853,"license_code":676,"credit_html":854,"title":855,"description":856,"author":688,"original_width":825,"original_height":857},10265,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146155","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146155\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gormanite-Siderite-152644.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGormanite\" class=\"extiw\" title=\"en:Gormanite\">Gormanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.4 x 3.4 x 2.9 cm.\u003C\u002Fdd>\n\u003Cdd>A gormanite specimen (a phosphate unfamiliar to many: Fe++3Al4(PO4)4(OH)6•2(H2O) of rare quality from Rapid Creek (known mostly for its lazulites), a really great specimen for what it is! There is one rather large, brushy cluster here, and several smaller sprays speckled about. The gormanite is beautifully isolated on a bed of transparent siderite crystals, which is another reason this specimen is special.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",245,{"id":859,"source_url":860,"license_code":676,"credit_html":861,"title":862,"description":863,"author":688,"original_width":864,"original_height":865},13082,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151535","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151535\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kegelite-Siderite-177489.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKegelite\" class=\"extiw\" title=\"en:Kegelite\">Kegelite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Tsumeb Mine (Tsumcorp Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsumeb\" class=\"extiw\" title=\"en:Tsumeb\">Tsumeb\u003C\u002Fa>, Otjikoto (Oshikoto) Region, Namibia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2428.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.7 x 2.7 x 2.2 cm.\u003C\u002Fdd>\n\u003Cdd>This is a fine thumbnail specimen of kegelite. The somewhat gemmy brown-red crystal in the middle is a remarkably sharp and lustrous siderite. It’s a nice accent to the rolling carpet of extremely rich, microcrystalline kegelite. Ex. Walter Kahn and Eric Asselborn Collections.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,765,{"id":867,"source_url":868,"license_code":676,"credit_html":869,"title":870,"description":863,"author":688,"original_width":825,"original_height":871},13083,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151536","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151536\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kegelite-Siderite-177490.jpg",295,{"id":873,"source_url":874,"license_code":676,"credit_html":875,"title":876,"description":877,"author":688,"original_width":878,"original_height":879},13084,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160223","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160223\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kegelite-Siderite-208647.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKegelite\" class=\"extiw\" title=\"en:Kegelite\">Kegelite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Tsumeb Mine (Tsumcorp Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsumeb\" class=\"extiw\" title=\"en:Tsumeb\">Tsumeb\u003C\u002Fa>, Otjikoto (Oshikoto) Region, Namibia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2428.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 1.7 x 1.4 x 1.3 cm.\u003C\u002Fdd>\n\u003Cdd>Although this may not look like much to most collectors, others will recognize it as an extraordinarily rich specimen of the extremely rare species Kegelite, a lead species found in macrocrystals only at Tsumeb (the type locality). This piece has a rich covering of crystals with characteristic pearlescent sheen to them. The little clusters reach 1mm, which is exceptional in size and richness for the species. A sharp, lustrous, gemmy siderite crystal is in attendance for contrast. Only few valid kegelite specimens ever were recovered, and most available pieces are trims from those original pieces (this being no exception, a trim that previous owner Eric Asselborn said he obtained in trade in the 1980s, and from one of the specimens in BMNH holdings). Analysis by Bart Cannon confirmed the ID. Another trim from this same specimen was also in the Asselborn collection, and is now in the Smithsonian Institution. Ex. Eric Asselborn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",571,508,{"id":881,"source_url":882,"license_code":676,"credit_html":883,"title":884,"description":877,"author":688,"original_width":885,"original_height":839},13085,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160224","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160224\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kegelite-Siderite-208648.jpg",475,{"id":887,"source_url":888,"license_code":676,"credit_html":889,"title":890,"description":891,"author":688,"original_width":892,"original_height":893},13739,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126318","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126318\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kulanite-Siderite-38063.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKulanite\" class=\"extiw\" title=\"en:Kulanite\">Kulanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Crosscut Creek, Area 1 (Kulan Camp), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-29613.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Lustrous, very dark blue blades to 5 mm of the phosphate kulanite, with siderite crystals on matrix from the Type Locality in Canada. Ex Royal Ontario Museum and Lewadny Collections. 6.0 x 4.9 x 2.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",504,618,{"id":895,"source_url":896,"license_code":676,"credit_html":897,"title":898,"description":899,"author":688,"original_width":900,"original_height":901},13740,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176301","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176301\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kulanite-Apatite-(CaF)-Siderite-176482.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKulanite\" class=\"extiw\" title=\"en:Kulanite\">Kulanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FApatite\" class=\"extiw\" title=\"en:Apatite\">Apatite-(CaF)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Big Fish River, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-628.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.2 x 3.4 x 1.2 cm.\u003C\u002Fdd>\n\u003Cdd>The dominant mineral is fluorapatite in glassy, colorless crystals, to 0.7 cm across. Golden amber crystals of siderite are also evident in crystals .2 cm in length. Blackish green crystals of kulanite, a barium, iron, manganese, magnesium, aluminum phosphate, to .5 cm across are also present. There may also be micro crystals of brazilianite present. Ex. Martin Zinn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",599,401,{"id":903,"source_url":904,"license_code":676,"credit_html":905,"title":906,"description":899,"author":688,"original_width":907,"original_height":825},13741,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176303","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176303\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kulanite-Apatite-(CaF)-Siderite-176483.jpg",367,{"id":909,"source_url":910,"license_code":676,"credit_html":911,"title":912,"description":913,"author":688,"original_width":825,"original_height":914},13742,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453561","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453561\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Kulanite-Siderite-mrz340c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrazilianite\" class=\"extiw\" title=\"en:Brazilianite\">Brazilianite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKulanite\" class=\"extiw\" title=\"en:Kulanite\">Kulanite\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\u002FApatite\" class=\"extiw\" title=\"en:Apatite\">Apatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Big Fish River, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-628.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5.2 x 3.4 x 1.2 cm\n\u003Cdl>\u003Cdt>Kulanite, Apatite, Siderite, & Brazilianite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This matrix specimen is a cornucopia of Yukon area phosphates. The dominant mineral is fluorapatite in glassy, colorless crystals, to.7 cm across (rare for the locale). Golden amber crystals of siderite are also evident in crystals .2 cm in length. Blackish green crystals of kulanite, a barium, iron, manganese, magnesium, aluminum phosphate, to .5 cm across are also present. Finally, there may be micro crystals of brazilianite present.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",311,{"id":916,"source_url":917,"license_code":676,"credit_html":918,"title":919,"description":913,"author":688,"original_width":825,"original_height":920},13743,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453569","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453569\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Kulanite-Siderite-mrz340d.jpg",373,{"id":922,"source_url":923,"license_code":676,"credit_html":924,"title":925,"description":913,"author":688,"original_width":907,"original_height":825},13744,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453570","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453570\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Kulanite-Siderite-mrz340b.jpg",{"id":927,"source_url":928,"license_code":676,"credit_html":929,"title":930,"description":913,"author":688,"original_width":900,"original_height":901},13745,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453571","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453571\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Kulanite-Siderite-mrz340a.jpg",{"id":932,"source_url":933,"license_code":934,"credit_html":935,"title":936,"description":937,"author":938,"original_width":939,"original_height":940},20872,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165241590","CC BY 2.0","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165241590\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite (Dalnegorsk Skarn Deposit, Late Cretaceous, 70-90 Ma; 2nd Sovietsky Mine, Dalnegorsk, Russia) 2.jpg","Siderite from the Cretaceous of Russia. (Wayne State University collection, Detroit, Michigan, 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 6100 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>Siderite is an iron carbonate mineral - FeCO3.  It is moderately common in hydrothermal veins, some concretions, and in some Precambrian-aged banded iron formations (BIFs).  Siderite is usually light brown to dark brown to reddish brown in color.  It tends to form distinctive rhombohedral crystals with curved crystal faces (dolomite crystals do this as well).  Siderite also has three cleavage planes not at right angles (rhombohedral cleavage).  Due to its iron content, siderite is moderately dense.\n\u003C\u002Fp>\u003Cp>This siderite specimen comes from the famous Dalnegorsk Skarn Deposit, a polymetallic sulfide ore body in far-eastern Russia.  The deposit consists of mineral-filled solution cavities in Triassic limestones that have been intruded by Late Cretaceous granodiorites.  The skarn zone itself has been intruded by 64 Ma granite.\n\u003C\u002Fp>\u003Cp>Geologic unit: Dalnegorsk Skarn Deposit, Late Cretaceous, 70-90 Ma\n\u003C\u002Fp>\u003Cp>Locality: 2nd Sovietsky Mine, southern Sikhote-Alin Mountains, Maritime Region (\"Primorskiy Kray\"), far-eastern Russia\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of siderite:\n\u003C\u002Fp>\nwww.mindat.org\u002Fgallery.php?min=3647","James St. John",3427,2503,{"id":942,"source_url":943,"license_code":934,"credit_html":944,"title":945,"description":937,"author":938,"original_width":946,"original_height":947},20873,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165241591","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165241591\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite (Dalnegorsk Skarn Deposit, Late Cretaceous, 70-90 Ma; 2nd Sovietsky Mine, Dalnegorsk, Russia) 1.jpg",3199,2347,{"id":949,"source_url":950,"license_code":676,"credit_html":951,"title":952,"description":953,"author":688,"original_width":839,"original_height":954},21383,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152405","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152405\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sabinaite-Analcime-Siderite-179414.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSabinaite\" class=\"extiw\" title=\"en:Sabinaite\">Sabinaite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAnalcime\" class=\"extiw\" title=\"en:Analcime\">Analcime\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.9 x 2.7 x 2.7 cm.\u003C\u002Fdd>\n\u003Cdd>Sabinaite is rare sodium, zirconium, titanium carbonate found in only two localities worldwide, both in Canada. Tan sabinaite crystals are nicely scattered as clusters and isolated crystals on the combination matrix of siderite and porcelaneous analcime crystals.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",555,{"id":956,"source_url":957,"license_code":676,"credit_html":958,"title":959,"description":960,"author":688,"original_width":961,"original_height":962},22944,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126330","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10126330\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Stilpnomelane-38073.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\u002FStilpnomelane\" class=\"extiw\" title=\"en:Stilpnomelane\">Stilpnomelane\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sterling mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntwerp\" class=\"extiw\" title=\"en:Antwerp\">Antwerp\u003C\u002Fa>, Jefferson County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_York\" class=\"extiw\" title=\"en:New York\">New York\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4025.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An aesthetic specimen of lustrous, honey-brown siderite crystals to 7 mm nestled in a vug with radial clusters of brown, micro stilpnomelane crystals in sulfide matrix from the very famous Sterling Mine in Antwerp, New York. Choice and old material, seldom available today. 5.5 x 3.6 x 3.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,455,{"id":964,"source_url":965,"license_code":676,"credit_html":966,"title":967,"description":968,"author":969,"original_width":970,"original_height":971},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":973,"source_url":974,"license_code":753,"credit_html":975,"title":976,"description":977,"author":978,"original_width":758,"original_height":759},33353,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206600","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206600\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gersdorffite (Corynite) with Siderite (46995681955).jpg","\u003Cp>Carinthia, Austria\n\u003C\u002Fp>\nS-74-1747","Pacific Museum of Earth from Canada",{"id":980,"source_url":981,"license_code":676,"credit_html":982,"title":983,"description":984,"author":688,"original_width":879,"original_height":985},34246,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167393","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167393\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Augelite-Siderite-251005.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAugelite\" class=\"extiw\" title=\"en:Augelite\">Augelite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Tazna Mine (Tasna Mine; Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNor_Chichas_Province\" class=\"extiw\" title=\"en:Nor Chichas Province\">Nor 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-40745.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.0 x 6.5 x 1.9 cm.\u003C\u002Fdd>\n\u003Cdd>This material was some of the first to come out of Bolivia in a long time. This piece features dozens of large (for this mine), sharp, highly lustrous, gemmy crystals measuring up to 8.5 mm of Augelite associated with greenish-brown compressed rhombohedra of Siderite with Pyrite and micro Quartz on matrix. This specimen is from the find about 7 years ago, when some of the most impressive Augelites came out of Tazna.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",432,{"id":987,"source_url":988,"license_code":628,"credit_html":989,"title":990,"description":991,"author":992,"original_width":993,"original_height":994},34965,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65497810","Raimond Spekking, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65497810\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderit und Chalkopyrit-1497.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\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 6.5 cm × 4.5 cm × 3.0 cm\u003C\u002Fdd>\n\u003Cdd>Locality: Fe-Cu-deposit Dahongshan, Xinping County, Yunnan Province, China\u003C\u002Fdd>\n\u003Cdd>Description: Crystal step with leafy, beige-colored siderite and gold-colored chalcopyrite from the collection of \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FBenutzerin:Ra%27ike\" class=\"extiw\" title=\"de:Benutzerin:Ra'ike\">Ra'ike\u003C\u002Fa>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Raimond Spekking",6720,4480,{"id":996,"source_url":997,"license_code":753,"credit_html":998,"title":999,"description":1000,"author":757,"original_width":759,"original_height":1001},34966,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97712436","Jan Helebrant, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=97712436\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite Fe2CO3 locality - Příbram, Czech Republic (50659877603).jpg","\u003Cp>siderite Fe2CO3\nlocality: Příbram, Czech Republic\nphoto (c) 2020 Jan Helebrant\n\u003C\u002Fp>\n<a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.juhele.blogspot.com\">http:\u002F\u002Fwww.juhele.blogspot.com\u003C\u002Fa>\" rel=\"noreferrer nofollow\">www.juhele.blogspot.com<\u002Fa>",3000,{"id":1003,"source_url":1004,"license_code":676,"credit_html":1005,"title":1006,"description":1007,"author":688,"original_width":961,"original_height":1008},36508,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140360","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140360\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Bornite-120987.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\u002FBornite\" class=\"extiw\" title=\"en:Bornite\">Bornite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAggeneys\" class=\"extiw\" title=\"en:Aggeneys\">Aggeneys\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-53702.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 16.5 x 10.2 x 4.8 cm.\u003C\u002Fdd>\n\u003Cdd>An amazing large specimen of beautiful Siderite blades and balls, associated with gorgeous tiny rosettes of Bornite and other sulfides. The Siderite has a rich brown color, and the blades reach about .8 cm, while the balls are on the order of millimeters. Good luster, too. On the other hand, the small radial crystals of the Bornite and sulfides reach perhaps .4 cm in size, but their luster and color is absolutely incredible.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",345,{"id":1010,"source_url":1011,"license_code":676,"credit_html":1012,"title":1013,"description":1014,"author":688,"original_width":1015,"original_height":1016},36670,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169242","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169242\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Boulangerite-Siderite-261448.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBoulangerite\" class=\"extiw\" title=\"en:Boulangerite\">Boulangerite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Vojtěch Mine (Adalbert Mine; Adalbert Maria Mine), Březové Hory deposit, Březové Hory (Birkenberg), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FP%C5%99%C3%ADbram\" class=\"extiw\" title=\"en:Příbram\">Příbram\u003C\u002Fa>, Central Bohemia Region, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBohemia\" class=\"extiw\" title=\"en:Bohemia\">Bohemia (Böhmen; Boehmen)\u003C\u002Fa>, Czech Republic (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-27963.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 10.0 x 5.5 x 4.9 cm.\u003C\u002Fdd>\n\u003Cdd>Boulangerite is extremely rare from the famous mines at Pribram. This very rich, old-time, sculptural, cabinet specimen is richly covered with nests of metallic, iridescent, hair-like needles of boulangerite to about 1.4 cm. The clusters of lustrous, tiny, brown, siderite crystals are a very nice accent. The matrix is layered sulfides and quartz. Ex. Bohemia Royal Museum and Joseph Vajdak Collections with labels. Vajdak is a noted Pribram collector and both labels indicate that the piece was collected in 1860 from the Vojtech Mine. This ancient mine was opened as the Adalbert Mine in 1779, according to an accompanying list.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",750,492,{"id":1018,"source_url":1019,"license_code":676,"credit_html":1020,"title":1021,"description":1014,"author":688,"original_width":1022,"original_height":1023},36671,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169243","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169243\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Boulangerite-Siderite-261449.jpg",673,514,{"id":1025,"source_url":1026,"license_code":676,"credit_html":1027,"title":1028,"description":1029,"author":688,"original_width":839,"original_height":1030},36951,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124272","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124272\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Siderite-33973.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrazilianite\" class=\"extiw\" title=\"en:Brazilianite\">Brazilianite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Featuring a 1.5 cm doubly-terminated crystal in a protective vug! Better in person! These specimens come from a small find hit before the show, and brought down by Rod and Helen Tyson of Tyson's Fine Minerals in Canada. They are really quite attractive for Brazilianite from this locality and to my knowledge are the best Brazlianites outside of those found in Brazil itself. They are quite a rare species from the otherwise productive phosphate localities in the Yukon. 4 x 3.5 x 2.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",558,{"id":1032,"source_url":1033,"license_code":676,"credit_html":1034,"title":1035,"description":1036,"author":688,"original_width":825,"original_height":1037},36965,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10466138","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10466138\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brazilianite-Siderite-t5165b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrazilianite\" class=\"extiw\" title=\"en:Brazilianite\">Brazilianite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4 x 3.5 x 2.1 cm\n\u003Cdl>\u003Cdt>Brazilianite with Siderite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Featuring a 1.5 cm doubly-terminated crystal in a protective vug! Better in person! These specimens come from a small find hit before the show, and brought down by Rod and Helen Tyson of Tyson's Fine Minerals in Canada. They are really quite attractive for Brazilianite from this locality and to my knowledge are the best Brazlianites outside of those found in Brazil itself. They are quite a rare species from the otherwise productive phosphate localities in the Yukon.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",300,{"id":1039,"source_url":1040,"license_code":719,"credit_html":1041,"title":1042,"description":1043,"author":1044,"original_width":1045,"original_height":1046},38535,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73427880","Ralph Bottrill, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73427880\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Carrollite, Dolomite, Siderite, Malachite-792195.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCarrollite\" class=\"extiw\" title=\"en:Carrollite\">Carrollite\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\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMalachite\" class=\"extiw\" title=\"en:Malachite\">Malachite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 45 mm; Field of view: 35 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Kamoya South II Mine (Kamoya Sud Mine; Kamoya South Mine), Kamoya, Kambove District, Katanga (Shaba), Democratic Republic of the Congo\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> Carrollite, white dolomite, yellow siderite and malachite\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Ralph Bottrill",2518,1872,{"id":1048,"source_url":1049,"license_code":676,"credit_html":1050,"title":1051,"description":1052,"author":688,"original_width":825,"original_height":1037},39323,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465048","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465048\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chalcostibite-Siderite-t06-98c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcostibite\" class=\"extiw\" title=\"en:Chalcostibite\">Chalcostibite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSaint-Pons\" class=\"extiw\" title=\"en:Saint-Pons\">Saint-Pons\u003C\u002Fa>, Ubaye valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlpes-de-Haute-Provence\" class=\"extiw\" title=\"en:Alpes-de-Haute-Provence\">Alpes-de-Haute-Provence\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FProvence-Alpes-C%C3%B4te_d%27Azur\" class=\"extiw\" title=\"en:Provence-Alpes-Côte d'Azur\">Provence-Alpes-Côte d'Azur\u003C\u002Fa>, France (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1671.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 6 x 3.9 x 3.6 cm\n\u003Cdl>\u003Cdt>Chalcostibite on Siderite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Superb, sharp chalcostibite crystals in a \"bowtie\" cluster atop matrix, make this one of the better ones I have seen for sale in recent years. This was found at what really is an old classic locality, but recently in a lucky find of the early 1990s. Most people consider these to be the best examples of their species, for display purposes.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1054,"source_url":1055,"license_code":844,"credit_html":1056,"title":1057,"description":1058,"author":1059,"original_width":1060,"original_height":1060},51168,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956037","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956037\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite w- siderite and sphalerite Sodium aluminum fluoride Ivigtut - in the Arksuk Fiord - Fredrikshaab District - West Greenland 2392.jpg","These mineral images are free to use how you wish.","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com",700,{"id":1062,"source_url":1063,"license_code":676,"credit_html":1064,"title":1065,"description":1066,"author":1067,"original_width":1068,"original_height":1069},51170,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6604823","Ra'ike (see also: de:Benutzer:Ra'ike), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6604823\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kryolith mit Siderit, Galenit und Chalkopyrit - Jvigtut, Grönland.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCryolite\" class=\"extiw\" title=\"en:Cryolite\">Cryolite\u003C\u002Fa> with \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\u002FGalena\" class=\"extiw\" title=\"en:Galena\">Galena\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa> - Locality: Jvigtut, Greenland - Exposed in the Mineralogical Museum, Bonn, Germany","Ra'ike (see also: de:Benutzer:Ra'ike)",2800,2200,{"id":1071,"source_url":1072,"license_code":676,"credit_html":1073,"title":1074,"description":1075,"author":688,"original_width":1076,"original_height":825},51171,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141797","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141797\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite-Siderite-132460.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCryolite\" class=\"extiw\" title=\"en:Cryolite\">Cryolite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FIvittuut\" class=\"extiw\" title=\"en:Ivittuut\">Ivittuut (Ivigtut)\u003C\u002Fa>, Arsuk Firth, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArsuk\" class=\"extiw\" title=\"en:Arsuk\">Arsuk\u003C\u002Fa>, Kitaa (West Greenland) Province, Greenland (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51122.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.2 x 3.5 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>Discrete and isolated cryolite crystals are RARE. This SUPERB specimen is LOADED with crystals to 7 mm on massive cryolite and galena matrix. For the last 200 years, these colorless and lustrous, pseudo cubes, of cryolite, from Greenland, a rare sodium, aluminum, fluoride, have been the standard for the species. The locality is not only now long gone, it’s underwater. They mined it below sea level, to get cryolite as an important flux agent for the refining of aluminum. Rust colored siderite is nicely interspersed between the cryolite crystals. This is a very showy, excellent, and good-sized example of this now-vanished species. Ex. Paul Stahl Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",550,{"id":1078,"source_url":1079,"license_code":676,"credit_html":1080,"title":1081,"description":838,"author":688,"original_width":825,"original_height":1082},51175,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453713","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453713\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite-Siderite-mun05-150b.jpg",374,{"id":1084,"source_url":1085,"license_code":719,"credit_html":1086,"title":1087,"description":1088,"author":1089,"original_width":758,"original_height":759},51179,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777566","Charlie Smith, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777566\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite, Siderite, Chalcopyrite-1160193.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCryolite\" class=\"extiw\" title=\"en:Cryolite\">Cryolite\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\u002FChalcopyrite\" class=\"extiw\" title=\"en:Chalcopyrite\">Chalcopyrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 149 mm × 55 mm × 101 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Ivigtut Mine, Arsuk Fjord, Sermersooq, Greenland\u003C\u002Fdd>\n\u003Cdd>Description: White, massive cryolite with brown siderite rhombs and small specks of chalcopyrite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Charlie Smith",{"id":1091,"source_url":1092,"license_code":719,"credit_html":1093,"title":1094,"description":1088,"author":1089,"original_width":758,"original_height":759},51180,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777567","Charlie Smith, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777567\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite, Siderite, Chalcopyrite-1160192.jpg",{"id":1096,"source_url":1097,"license_code":719,"credit_html":1098,"title":1099,"description":1088,"author":1089,"original_width":758,"original_height":759},51181,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777568","Charlie Smith, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114777568\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cryolite, Siderite, Chalcopyrite-1160191.jpg",{"id":1101,"source_url":1102,"license_code":676,"credit_html":1103,"title":1104,"description":1105,"author":688,"original_width":1106,"original_height":961},51269,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153746","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153746\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cubanite-Pyrrhotite-Siderite-182958.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCubanite\" class=\"extiw\" title=\"en:Cubanite\">Cubanite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrrhotite\" class=\"extiw\" title=\"en:Pyrrhotite\">Pyrrhotite\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\u002FDolomite\" class=\"extiw\" title=\"en:Dolomite\">Dolomite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Morro Velho mine (incl. Mina Velha; Mina Grande), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNova_Lima\" class=\"extiw\" title=\"en:Nova Lima\">Nova Lima\u003C\u002Fa>, Iron Quadrangle, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-415.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.0 x 5.0 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>A classic, superb specimen of highly lustrous and translucent, light gray dolomite rhombs festooned with brassy, tabular crystals of cubanite and pyrrhotite and richly accompanied with glassy, yellow-green siderite blades from the 1960s find at the famous Morro Velho Gold Mine, Nova Lima, Brazil. The larger hexagonal crystals are pyrrhotites and many of the smaller crystals are cubanites. Ex. Minette Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",499,{"id":1108,"source_url":1109,"license_code":676,"credit_html":1110,"title":1111,"description":1105,"author":688,"original_width":1112,"original_height":1113},51270,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153747","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153747\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cubanite-Pyrrhotite-Siderite-182959.jpg",491,418,{"id":1115,"source_url":1116,"license_code":676,"credit_html":1117,"title":1118,"description":1119,"author":688,"original_width":1120,"original_height":1015},51272,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162612","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162612\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Pyrrhotite-Cubanite-224106.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\u002FPyrrhotite\" class=\"extiw\" title=\"en:Pyrrhotite\">Pyrrhotite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCubanite\" class=\"extiw\" title=\"en:Cubanite\">Cubanite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Morro Velho mine (incl. Mina Velha; Mina Grande), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNova_Lima\" class=\"extiw\" title=\"en:Nova Lima\">Nova Lima\u003C\u002Fa>, Iron Quadrangle, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-415.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.8 x 5.1 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>A classic, superb specimen of highly lustrous and translucent, shimmering tan-colored siderite rhombs (flattened so they look like discs) in an arborescent cluster. These specimens, of a very characteristic style and habit, were found in the 1960s at this famous gold mine. The edges are festooned with small brassy, tabular crystals of both cubanite (more erratically formed or acicular crystals) and pyrrhotite (sharply hexagonal). The larger hexagonal crystal of pyrrhotite (about 1 cm).\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",520,{"id":1122,"source_url":1123,"license_code":676,"credit_html":1124,"title":1125,"description":1119,"author":688,"original_width":1126,"original_height":839},51273,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162613","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162613\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Siderite-Pyrrhotite-Cubanite-224107.jpg",437,{"id":1128,"source_url":1129,"license_code":676,"credit_html":1130,"title":1131,"description":1132,"author":688,"original_width":1133,"original_height":839},51274,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166456","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166456\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cubanite-Siderite-Dolomite-246453.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCubanite\" class=\"extiw\" title=\"en:Cubanite\">Cubanite\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\u002FDolomite\" class=\"extiw\" title=\"en:Dolomite\">Dolomite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Morro Velho mine (incl. Mina Velha; Mina Grande), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNova_Lima\" class=\"extiw\" title=\"en:Nova Lima\">Nova Lima\u003C\u002Fa>, Iron Quadrangle, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-415.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.2 x 3.2 x 2.9 cm.\u003C\u002Fdd>\n\u003Cdd>A classic and fine combination specimen from the 1960s finds at the Morro Velho Mine of Brazil. Lustrous, brassy, tabular cubanite crystals are richly and aesthetically scattered on the mounded matrix of glassy, yellow-green siderite blades and translucent, light gray dolomite rhombs. Some of the cubanites are beautifully iridescent and the large siderite is 2.2 cm. A highly representative and showy, two-sided piece from this well-known find and locale. Ex. Scott Williams Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",586,{"id":1135,"source_url":1136,"license_code":676,"credit_html":1137,"title":1138,"description":1139,"author":688,"original_width":1140,"original_height":1060},55451,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10428190","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10428190\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strontiumapatite-ap14a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FApatite\" class=\"extiw\" title=\"en:Apatite\">Apatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPanasqueira\" class=\"extiw\" title=\"en:Panasqueira\">Panasqueira\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCovilh%C3%A3\" class=\"extiw\" title=\"en:Covilhã\">Covilhã\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCastelo_Branco_District\" class=\"extiw\" title=\"en:Castelo Branco District\">Castelo Branco District\u003C\u002Fa>, Portugal (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-14542.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.5 x 3.3 x 3.1 cm\n\u003Cdl>\u003Cdt>Apatite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>WOW! This specimen features GEM crystals to 1.6 cm, nicely isolated on matrix of siderite-coated ferberite. The apatites are pristine and gorgeous. The ferberite is not quite complete, but it is on the back anyhow. Pieces with crystals of this quality are simply unobtainable now. 4.5 x 3.3 x 3.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",590,{"id":1142,"source_url":1143,"license_code":676,"credit_html":1144,"title":1145,"description":856,"author":688,"original_width":839,"original_height":1146},57123,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146154","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146154\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gormanite-Siderite-152642.jpg",362,{"id":1148,"source_url":1149,"license_code":676,"credit_html":1150,"title":1151,"description":1152,"author":688,"original_width":1153,"original_height":1076},60636,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10155310","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10155310\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ilvaite-Siderite-Aragonite-191712.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FIlvaite\" class=\"extiw\" title=\"en:Ilvaite\">Ilvaite\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\u002FAragonite\" class=\"extiw\" title=\"en:Aragonite\">Aragonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4642.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.0 x 3.6 x 3.1 cm.\u003C\u002Fdd>\n\u003Cdd>A fine combination pseudomorph specimen from the Nikolaevskiy Mine at Dal’negorsk, Russia. Mirror-bright, jet-black ilvaite crystals richly cover all sides of the diverging cluster of green to brown siderite pseudomorphing very elongated aragonite needles. From finds in the 1990s. Ex. Ryan Bowling Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",424,{"id":1155,"source_url":1156,"license_code":676,"credit_html":1157,"title":1158,"description":899,"author":688,"original_width":825,"original_height":920},63319,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176305","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176305\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kulanite-Apatite-(CaF)-Siderite-176484.jpg",{"id":1160,"source_url":1161,"license_code":676,"credit_html":1162,"title":1163,"description":1164,"author":688,"original_width":1165,"original_height":1060},63988,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132643","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132643\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazulite-Siderite-Quartz-47353.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLazulite\" class=\"extiw\" title=\"en:Lazulite\">Lazulite\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\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A very aesthetic specimen of a mineral no longer being mined. There are two FINE deep blue crystals of lazulite here, the larger measuring a full centimeter, along with a few smaller ones. The lazulites sit amongst a row of gemmy siderite crystals all on a bed of quartz points. Pieces of high quality , with isolated crystals, are not so common! 6 x 2.5 x 2.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",357,{"id":1167,"source_url":1168,"license_code":676,"credit_html":1169,"title":1170,"description":1171,"author":688,"original_width":1172,"original_height":839},63989,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151190","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151190\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazulite-Quartz-Siderite-176492.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLazulite\" class=\"extiw\" title=\"en:Lazulite\">Lazulite\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\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.6 x 3.5 x 1.6 cm.\u003C\u002Fdd>\n\u003Cdd>Sharp, deepest-azure-blue crystals of lazulite on quartz - the classic association from this locality! The lazulite crystals are mostly around 5-6mm. Tim Blackwood Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",471,{"id":1174,"source_url":1175,"license_code":676,"credit_html":1176,"title":1177,"description":1178,"author":688,"original_width":825,"original_height":1179},63992,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168139","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168139\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lazulite-Siderite-255008.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLazulite\" class=\"extiw\" title=\"en:Lazulite\">Lazulite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRapid_Creek\" class=\"extiw\" title=\"en:Rapid Creek\">Rapid Creek\u003C\u002Fa>, Dawson Mining District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYukon\" class=\"extiw\" title=\"en:Yukon\">Yukon Territory\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-630.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.0 x 3.2 x 0.8 cm.\u003C\u002Fdd>\n\u003Cdd>Mirror-bright, indigo-blue lazulite crystals to 1.2 cm richly cover the matrix plate and are nicely accented by brown siderite crystals on this fine specimen from the Rapid Creek area of the Yukon Territory. Highly representative of the species and noted locale. Ex. Wes Parker Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",301,{"id":1181,"source_url":1182,"license_code":676,"credit_html":1183,"title":1184,"description":1185,"author":688,"original_width":1082,"original_height":825},64313,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163903","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163903\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Biotite-Rutile-Siderite-231201.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBiotite\" class=\"extiw\" title=\"en:Biotite\">Biotite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRutile\" class=\"extiw\" title=\"en:Rutile\">Rutile\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\u002FSpodumene\" class=\"extiw\" title=\"en:Spodumene\">Spodumene\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHiddenite\" class=\"extiw\" title=\"en:Hiddenite\">Hiddenite\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Rist Mine (North America Emerald Mines), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHiddenite\" class=\"extiw\" title=\"en:Hiddenite\">Hiddenite\u003C\u002Fa>, Alexander County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorth_Carolina\" class=\"extiw\" title=\"en:North Carolina\">North Carolina\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-19740.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.6 x 2.8 x 2.1 cm.\u003C\u002Fdd>\n\u003Cdd>Superb, textbook biotite crystals mark this classic from an old find (1960s if I recall correctly, or maybe the 50s), at the site of the famous hiddenite mines. This crystal is superbly displayed on matrix, a small miniature overall.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1187,"source_url":1188,"license_code":753,"credit_html":1189,"title":1190,"description":1191,"author":978,"original_width":759,"original_height":758},67095,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118189826","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118189826\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ludlamite with Messelite, Vivianite, Triphylite, Siderite, and Strunsite (48303237932).jpg","\u003Cp>Palermo - North Groton\n\u003C\u002Fp>\nNew Hampshire, USA",{"id":1193,"source_url":1194,"license_code":676,"credit_html":1195,"title":1196,"description":1197,"author":688,"original_width":825,"original_height":825},67765,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141834","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141834\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Millerite-Siderite-Quartz-133441.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMillerite\" class=\"extiw\" title=\"en:Millerite\">Millerite\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\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Coed-Ely Colliery, Coed Ely, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRhondda_Cynon_Taf\" class=\"extiw\" title=\"en:Rhondda Cynon Taf\">Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWales\" class=\"extiw\" title=\"en:Wales\">Wales\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6897.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.3 x 4.0 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>Two sprays of lustrous, greenish-yellow millerite needles to 1.4 cm are aesthetically set in a vug lined with yellow siderite discs and quartz in this showy piece from a classic Welsh locality - the Coed-Ely Coal Mine. Excellent and showy material from the George Elling Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":1199,"source_url":1200,"license_code":628,"credit_html":1201,"title":1202,"description":1203,"author":1204,"original_width":1205,"original_height":1206},74864,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=162993365","Lodewicus de Honsvels, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=162993365\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Polydymit-Chalkopyrit-Siderit.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPolydymite\" class=\"extiw\" title=\"en:Polydymite\">Polydymite\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\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Weight: 125.2 g\u003C\u002Fdd>\n\u003Cdd>Locality: Grüne Au Mine, Schutzbach, North Rhine-Westphalia, Germany\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Lodewicus de Honsvels",5032,3944,{"id":1208,"source_url":1209,"license_code":676,"credit_html":1210,"title":1211,"description":1212,"author":688,"original_width":1213,"original_height":985},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":1215,"source_url":1216,"license_code":676,"credit_html":1217,"title":1218,"description":1219,"author":688,"original_width":1220,"original_height":985},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":1222,"source_url":1223,"license_code":676,"credit_html":1224,"title":1225,"description":1226,"author":688,"original_width":1227,"original_height":985},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":1229,"source_url":1230,"license_code":753,"credit_html":1231,"title":1232,"description":1233,"author":978,"original_width":759,"original_height":758},86052,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118200689","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118200689\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Whitlockite with Siderite (48140104838).jpg","\u003Cp>North Groton\n\u003C\u002Fp>\nNew Hampshire, USA",{"id":1235,"source_url":1236,"license_code":676,"credit_html":1237,"title":1238,"description":1239,"author":969,"original_width":1240,"original_height":681},87214,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130078776","Elena Ternovaja, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130078776\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zinkenit Siderit, St. Pons Alpes-de-Hautes-Provence, Frankreich.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZinkenite\" class=\"extiw\" title=\"en:Zinkenite\">Zinkenite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa> from Saint-Pons, Alpes-de-Haute-Provence, France",4832,{"id":1242,"source_url":1243,"license_code":676,"credit_html":1244,"title":1245,"description":1239,"author":969,"original_width":1246,"original_height":1247},87215,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130078840","Elena Ternovaja, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130078840\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zinkenit, Siderit aus St. Pons Alpes-de-Hautes-Provence, Frankreich Ausschnitt.jpg",2264,1312,[1249,1256,1261,1266],{"id":1250,"url":1251,"label":1252,"formula":1253,"spacegroup":1254,"year":1255},12712,"\u002Fcif\u002F12712.cif","Liang 2018","Fe C O3","R -3 c",2018,{"id":1257,"url":1258,"label":1259,"formula":1253,"spacegroup":1254,"year":1260},12713,"\u002Fcif\u002F12713.cif","Lavina 2010",2010,{"id":1262,"url":1263,"label":1264,"formula":1265,"spacegroup":1254,"year":578},12745,"\u002Fcif\u002F12745.cif","Effenberger 1981","(Fe.95 Mn.05) C O3",{"id":1267,"url":1268,"label":1269,"formula":1253,"spacegroup":1254,"year":1270},12746,"\u002Fcif\u002F12746.cif","Graf 1961",1961,[1272,1273,1274,1275,1276,1277,1278,1279,1280,1281,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,1294,1295,1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,1310,1311,1312,1313,1314],"Aerosiderit","Aerosiderita","Aerosiderite","Bemmelenit","Bemmelenita","Bemmelenite","Brachytyper Parachrosbaryt","Calcareous Iron Ore","Carbonate of Iron","Chalybit","Chalybita","Chalybite","Eisenkalk","Eisenspat","Eisenspath (of Hausmann)","Fer carbonaté","Gyrit","Gyrita","Gyrite","Iron Spar","Järn med Kalkjord förenadt","Junckérit","Junckérite","Junkerite","Kohlensaures Eisen","Minera ferri alba spathiformis","Pelosiderita","Siderite (of Haidinger)","Sidérose","Sparry Iron Ore","Spateisenstein","Spatformig Jernmalm","Spatheisenstein","Spathic Iron","Spathiger Eisen","Spathose Iron","Stahelreich Eisen","Stahlstein","Steel Ore","Thomaît","Thomaîta","Thomaîte","Weißeisenerz",[1316,1321,1325,1329,1333,1337,1341,1347,1351,1355,1359,1364,1368,1372,1377,1384,1387,1393,1397,1401,1405,1408,1412,1415,1419,1422,1425,1428,1432,1435,1439,1442,1446,1449,1454,1459,1462,1466,1469,1473,1477,1481,1484,1488,1495,1499,1503,1506,1509,1512,1516,1520,1528,1532,1535,1539,1542,1545,1549,1552,1555],{"lang":1317,"names":1318},"ar",[1319,1320],"سيدريت","كربونات الحديد",{"lang":1322,"names":1323},"az",[1324],"Siderit",{"lang":1326,"names":1327},"be",[1328],"Сідэрыт",{"lang":1330,"names":1331},"bg",[1332],"Сидерит",{"lang":1334,"names":1335},"ca",[1336],"siderita",{"lang":1338,"names":1339},"cs",[1340,1324],"Ocelek",{"lang":1342,"names":1343},"de",[1272,1275,1281,1344,1285,1288,1293,1345,1324,1302,1309,1346,1314],"Eisen(II)-carbonat","Oligonit","Thomait",{"lang":1348,"names":1349},"el",[1350],"Σιδηρίτης",{"lang":1352,"names":1353},"eo",[1354],"Siderito",{"lang":1356,"names":1357},"es",[1358,1336],"carbonato de hierro",{"lang":1360,"names":1361},"et",[1362,1363],"rauapagu","sideriit",{"lang":1365,"names":1366},"eu",[1367],"Siderita",{"lang":1369,"names":1370},"fa",[1371],"سیدریت",{"lang":1373,"names":1374},"fi",[1375,1376],"Rautasälpä","sideriitti",{"lang":1378,"names":1379},"fr",[1380,1381,1382,1294,102,1383],"563-71-3","Carbonate de fer","E505","Sidérite",{"lang":1385,"names":1386},"gl",[1367],{"lang":1388,"names":1389},"he",[1390,1391,1382,1392],"E 505","E-505","סידריט",{"lang":1394,"names":1395},"hu",[1396],"sziderit",{"lang":1398,"names":1399},"hy",[1400],"Սիդերիտ",{"lang":1402,"names":1403},"is",[1404],"Síderít",{"lang":1406,"names":1407},"it",[7],{"lang":1409,"names":1410},"ja",[1411],"菱鉄鉱",{"lang":1413,"names":1414},"kk",[1332],{"lang":1416,"names":1417},"kk-arab",[1418],"سىيدەرىيت",{"lang":1420,"names":1421},"kk-cn",[1418],{"lang":1423,"names":1424},"kk-cyrl",[1332],{"lang":1426,"names":1427},"kk-kz",[1332],{"lang":1429,"names":1430},"kk-latn",[1431],"Sïderït",{"lang":1433,"names":1434},"kk-tr",[1431],{"lang":1436,"names":1437},"ko",[1438],"능철석",{"lang":1440,"names":1441},"ky",[1332],{"lang":1443,"names":1444},"lt",[1445],"Sideritas",{"lang":1447,"names":1448},"mk",[1332],{"lang":1450,"names":1451},"nb",[1452,1453],"jernspat","sideritt",{"lang":1455,"names":1456},"nl",[1457,1458],"ijzerspaat","sideriet",{"lang":1460,"names":1461},"nn",[1453],{"lang":1463,"names":1464},"no",[1465],"Jernspat",{"lang":1467,"names":1468},"oc",[1367],{"lang":1470,"names":1471},"pa",[1472],"ਲੋਹ-ਉਲਕਾ",{"lang":1474,"names":1475},"pl",[1476],"syderyt",{"lang":1478,"names":1479},"pnb",[1480],"لوہ اُلکا",{"lang":1482,"names":1483},"pt",[1336,7],{"lang":1485,"names":1486},"ro",[1487],"siderit",{"lang":1489,"names":1490},"ru",[1382,1491,1492,1493,1332,1494],"FeCO3","Железный шпат","Карбонат железа","шпатовый железняк",{"lang":1496,"names":1497},"se",[1498],"siderihtta",{"lang":1500,"names":1501},"sk",[1502,1324],"Ocieľok",{"lang":1504,"names":1505},"sl",[1487],{"lang":1507,"names":1508},"smn",[1363],{"lang":1510,"names":1511},"sms",[1453],{"lang":1513,"names":1514},"sr",[1515],"сидерит",{"lang":1517,"names":1518},"sv",[1519,1324],"järnspat",{"lang":1521,"names":1522},"uk",[1523,1524,1525,1515,1526,1527],"желізинець","залізний шпат","Крицяк","скалинець залізний","шпат залізний",{"lang":1529,"names":1530},"uz",[1324,1531],"Temir shpati",{"lang":1533,"names":1534},"vi",[1324],{"lang":1536,"names":1537},"zh",[1538],"菱铁矿",{"lang":1540,"names":1541},"zh-cn",[1538],{"lang":1543,"names":1544},"zh-hans",[1538],{"lang":1546,"names":1547},"zh-hant",[1548],"菱鐵礦",{"lang":1550,"names":1551},"zh-hk",[1548],{"lang":1553,"names":1554},"zh-sg",[1538],{"lang":1556,"names":1557},"zh-tw",[1548],"Q192669",{"history":1560,"applications":1565},{"markdown":1561,"model_version":1562,"prompt_version":1563,"reviewed_at":1564},"The name **siderite** is a quiet pun on what the mineral is made of. It comes from the Ancient Greek **sideros**, meaning iron[1] — and the mineral is, by weight, almost half iron[2]. The pun was made formal only in 1845, but miners had been pulling the stuff out of the ground for centuries under a clutter of older names.\n\nIn British and German mining districts, the rough field names were the older ones: **spathic iron ore** and **sparry ironstone** for the crystalline veins, **clay ironstone** for the muddy nodules embedded in coal-measure shales. **Chalybite** was the bookish alternative[3] — itself from the Chalybes, the Anatolian people the ancient Greeks credited with the invention of ironworking.\n\nThe Austrian mineralogist Wilhelm Karl von Haidinger settled the modern name in 1845[4], at a time when most older mineral names were being retired in favour of formal scientific ones ending in *-ite*.\n\nThere is a second, older meaning of *siderite* that occasionally trips up readers. Nineteenth-century writers used the word for **iron meteorites** — the metallic stones that fall from the sky. That usage has faded from modern mineralogy, but the disambiguation still appears in reference works[5]. The carbonate mineral and the meteorite share only the Greek root.\n\n### A 19th-century industrial moment\n\nFor a few decades in the mid-19th century, siderite briefly became the prized feedstock for a new steel-making trick. The Bessemer process — patented in 1856 — could turn pig iron (the crude high-carbon iron from a blast furnace) into steel in minutes. But it needed ores with very low **phosphorus**, an impurity that makes steel brittle in the cold[6].\n\nThe English metallurgist Robert Forester Mushet found a workaround. He let the Bessemer converter burn off everything — phosphorus, carbon and all — then added carbon and manganese back in by tipping in molten **spiegeleisen**, a manganese-rich iron alloy[6]. Spathic siderite ores happened to be rich in manganese and have negligible phosphorus, so they made excellent feed for spiegeleisen production. Mines and works that had been marginal — among them Ebbw Vale in South Wales — suddenly had a market[6].\n\nThe boom was short. The Gilchrist Thomas process soon introduced a basic furnace lining that pulled phosphorus directly into the slag, removing the need for the manganese-correction trick[6]. From the 1880s onward, demand for spathic siderite ores fell sharply, and many of the deep mines that fed the spiegeleisen trade closed soon after[6].","claude-opus-4-7","1.7.0","2026-06-02 14:59:22",{"markdown":1566,"model_version":1562,"prompt_version":1563,"reviewed_at":1567},"Siderite remains a minor iron ore. By weight it carries 48.2% iron[1], a respectable grade, but the carbonate ore is more difficult to smelt than a haematite or other oxide ore[2] — and the world's blast furnaces are fed largely by haematite and magnetite. Modern siderite mining survives where local deposits are big enough to be worth working[3], typically as a regional supplement rather than a global commodity.\n\nThe mineral has also taken on a second, unexpected role in planetary science. Orbiters and rovers have detected siderite on Mars. The finding is being interpreted as a possible indicator of the presence of abundant water early in the climate history of that planet[4].","2026-06-02 15:00:37"]