[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1741":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":20,"key_elements":21,"impurities":22,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":27,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":33,"dana8ed3":29,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":38,"c":40,"alpha":38,"beta":38,"gamma":38,"aerror":41,"berror":11,"cerror":42,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":43,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":44,"tlform":45,"hmin":46,"hmax":46,"hardtype":43,"vhnmin":47,"vhnmax":48,"vhnerror":11,"vhng":49,"vhns":11,"commenthard":11,"dmeas":50,"dmeas2":50,"dcalc":51,"dmeaserror":52,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":53,"commentluster":11,"diapheny":54,"streak":55,"colour":56,"commentcolor":11,"colors":57,"streak_colors":60,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":61,"fracturetype":62,"tenacity":63,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":38,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":38,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":38,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":38,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":38,"optical2vmeasured2":38,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":64,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":65,"opticalinternal":11,"opticaltropic":66,"opticalanisotropism":64,"opticalbireflectance":11,"opticalextinction":11,"opticalr":67,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":68,"industrial":11,"occurrence":11,"otheroccurrence":69,"type_specimen_store":70,"description_short":71,"aboutname":72,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":73,"reviewed_at":11,"variety_of":11,"varieties":74,"group_members":75,"associates":110,"confused_with":152,"type_localities":153,"occurrence_total":158,"citations":159,"images":212,"structures":386,"synonyms":393,"language_names":395,"wikidata_qid":441,"texts":442},1741,"1:1:1741:7","d60b4001-d206-433f-ad76-2ad4a1accf60","Gratonite","Gtn",0,"mineral",null,50343,801,false,"Pb\u003Csub>9\u003C\u002Fsub>As\u003Csub>4\u003C\u002Fsub>S\u003Csub>15\u003C\u002Fsub>",[17,18,19],"As","Pb","S",[17,18,19],[17,18],",Fe,Sb,,","5.6.5",[25,26],"APPROVED","GRANDFATHERED",1939,"1939","2","J","B","55","3","1","Trigonal",11,86,"0","17.758","7.807",14,6,3,"Prismatic crystals, massive.\r\n\r\nType material: A hexagonal prism {11.0} and a trigonal pyramid {02.1} are the primary forms, with some crystals showing narrow and always brilliant truncation of the edges of the principal trigonal pyramid {10.1} and minute brilliant facets of a steeper pyramid {40.1}.  One crystal showed a flat trigonal pyramid {01.2} at the termination, another showed a steep ditrigonal pyramid {24.1}(?) between the prism and main pyramid. A few other rare forms are are listed.","Slender needles 0.1 mm in diameter and 0.5 mm in length to stout prisms 1 cm across and 1.5 cm in length. Generally in radiating groups.",2.5,"130","146",100,"6.22","6.17",2,"Metallic","Opaque","Black","Dark lead-gray",[58,59],"gray","black",[59],"None Observed","Irregular\u002FUneven,Conchoidal","brittle","Weak","White - slightly yellow as compared to galena","Anisotropic","(38.7,39.8) 400,\r\n(38.0,39.3) 420,\r\n(37.6,38.4) 440,\r\n(37.1,37.6) 460,\r\n(36.5,36.9) 480,\r\n(36.1,36.4) 500,\r\n(36.0,36.2) 520,\r\n(36.1,36.2) 540,\r\n(36.3,36.4) 560,\r\n(36.6,36.6) 580,\r\n(36.7,36.7) 600,\r\n(36.3,36.4) 620,\r\n(35.7,35.8) 640,\r\n(34.8,35.0) 660,\r\n(33.8,34.1) 680,\r\n(33.0,33.3) 700","Decrepitates violently and melts very easily. Closed tube gives a slight sublimate of arsenic trisulphide (As2S3). On charcoal gives a coating of lead oxide and arsenic fumes.\r\n\r\nHNO3-stains iridescent to black; effervesces abundantly after short wait with liberation of free sulphur. Negative reaction to HCl, KCN, FeCl3, and KOH.","Hydrothermal copper deposits","Harvard University, Cambridge, Massachusetts, USA, 94611.","Compare baumhauerite, liveingite, sartorite, 'UM1966-04-S:AsPb'.\r\n\r\nThe structure contains isolated and interconnected AsS3 pyramids, as, e.g., in case of baumhauerite, dufrénoysite, sartorite, and seligmannite.\r\n\r\nChemically related to, and sometimes ...","Named in 1939 by Charles Palache and D. Jerome Fisher in honor of Louis Caryl Graton (June 10, 1880, Parma, New York - July 22, 1970, New Haven Connecticut), Professor of Mining Geology, Harvard University, president of the Society of Economic Geologists (1931) and Penrose Medal recipient (1950).","2025-10-16 07:53:56",[],[76,84,91,97,104],{"id":77,"name":78,"entrytype":9,"csystem":79,"ima_formula":80,"mindat_formula":81,"hmin":43,"hmax":43,"dmeas":11,"dcalc":82,"primary_image_id":83},50342,"Arsenmarcobaldiite","Triclinic","Pb\u003Csub>12\u003C\u002Fsub>(As\u003Csub>3.2\u003C\u002Fsub>Sb\u003Csub>2.8\u003C\u002Fsub>)\u003Csub>E6\u003C\u002Fsub>S\u003Csub>21\u003C\u002Fsub>","Pb\u003Csub>12\u003C\u002Fsub>(As\u003Csub>3.2\u003C\u002Fsub>Sb\u003Csub>2.8\u003C\u002Fsub>)\u003Csub>Σ6\u003C\u002Fsub>S\u003Csub>21\u003C\u002Fsub>","6.44",2037,{"id":85,"name":86,"entrytype":9,"csystem":87,"ima_formula":88,"mindat_formula":88,"hmin":46,"hmax":43,"dmeas":89,"dcalc":38,"primary_image_id":90},1674,"Geocronite","Monoclinic","Pb\u003Csub>14\u003C\u002Fsub>Sb\u003Csub>6\u003C\u002Fsub>S\u003Csub>23\u003C\u002Fsub>","6.46",9786,{"id":92,"name":93,"entrytype":9,"csystem":87,"ima_formula":94,"mindat_formula":94,"hmin":43,"hmax":43,"dmeas":95,"dcalc":38,"primary_image_id":96},2113,"Jordanite","Pb\u003Csub>14\u003C\u002Fsub>As\u003Csub>6\u003C\u002Fsub>S\u003Csub>23\u003C\u002Fsub>","6.33",12686,{"id":98,"name":99,"entrytype":9,"csystem":87,"ima_formula":100,"mindat_formula":100,"hmin":101,"hmax":101,"dmeas":38,"dcalc":102,"primary_image_id":103},2216,"Kirkiite","Pb\u003Csub>10\u003C\u002Fsub>Bi\u003Csub>3\u003C\u002Fsub>As\u003Csub>3\u003C\u002Fsub>S\u003Csub>19\u003C\u002Fsub>",3.5,"6.82",13375,{"id":105,"name":106,"entrytype":9,"csystem":79,"ima_formula":107,"mindat_formula":108,"hmin":43,"hmax":101,"dmeas":11,"dcalc":109,"primary_image_id":11},47600,"Marcobaldiite","Pb\u003Csub>12\u003C\u002Fsub>(Sb\u003Csub>3\u003C\u002Fsub>As\u003Csub>2\u003C\u002Fsub>Bi)\u003Csub>E6\u003C\u002Fsub>S\u003Csub>21\u003C\u002Fsub>","Pb\u003Csub>12\u003C\u002Fsub>(Sb\u003Csub>3\u003C\u002Fsub>As\u003Csub>2\u003C\u002Fsub>Bi)\u003Csub>Σ6\u003C\u002Fsub>S\u003Csub>21\u003C\u002Fsub>","6.56",[111,119,126,127,136,144],{"id":112,"name":113,"entrytype":9,"csystem":114,"ima_formula":115,"mindat_formula":115,"hmin":43,"hmax":43,"dmeas":116,"dcalc":117,"primary_image_id":118},1380,"Enargite","Orthorhombic","Cu\u003Csub>3\u003C\u002Fsub>AsS\u003Csub>4\u003C\u002Fsub>","4.4","4.40",7833,{"id":120,"name":121,"entrytype":9,"csystem":114,"ima_formula":122,"mindat_formula":122,"hmin":123,"hmax":52,"dmeas":124,"dcalc":38,"primary_image_id":125},1954,"Hutchinsonite","TlPbAs\u003Csub>5\u003C\u002Fsub>S\u003Csub>9\u003C\u002Fsub>",1.5,"4.6",11773,{"id":92,"name":93,"entrytype":9,"csystem":87,"ima_formula":94,"mindat_formula":94,"hmin":43,"hmax":43,"dmeas":95,"dcalc":38,"primary_image_id":96},{"id":128,"name":129,"entrytype":9,"csystem":130,"ima_formula":131,"mindat_formula":131,"hmin":42,"hmax":132,"dmeas":133,"dcalc":134,"primary_image_id":135},3314,"Pyrite","Isometric","FeS\u003Csub>2\u003C\u002Fsub>",6.5,"4.8","5.01",20239,{"id":137,"name":138,"entrytype":9,"csystem":87,"ima_formula":139,"mindat_formula":140,"hmin":123,"hmax":52,"dmeas":141,"dcalc":142,"primary_image_id":143},3375,"Realgar","AsS","As\u003Csub>4\u003C\u002Fsub>S\u003Csub>4\u003C\u002Fsub>","3.56","3.59",30593,{"id":145,"name":146,"entrytype":9,"csystem":130,"ima_formula":147,"mindat_formula":147,"hmin":101,"hmax":148,"dmeas":149,"dcalc":150,"primary_image_id":151},3727,"Sphalerite","ZnS",4,"3.9","4.096",66200,[],[154],{"id":155,"txt":156,"latitude":11,"longitude":11,"country":157},6340,"Excelsior Mine, Cerro de Pasco, Pasco province, Pasco, Peru","Peru",33,[160,163,167,170,174,178,182,186,191,195,199,203,207],{"id":161,"year":27,"html":162,"doi":11},520857,"Palache, Charles; Fisher, D. Jerome (1939) Gratonite - preliminary description of a new mineral from Cerro de Pasco, Peru. \u003Ci>American Mineralogist\u003C\u002Fi>,  24 (2). 136 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM24\u002FAM24_136.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":164,"year":165,"html":166,"doi":11},520996,1940,"Palache, Charles; Fisher, D. Jerome (1940) Gratonite - a new mineral from Cerro de Pasco, Peru. \u003Ci>American Mineralogist\u003C\u002Fi>,  25 (4). 255-265 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM25\u002FAM25_255.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":168,"year":165,"html":169,"doi":11},520998,"Rust, George W. (1940) Geologic occurrence of gratonite at Cerro de Pasco, Peru. \u003Ci>American Mineralogist\u003C\u002Fi>,  25 (4) 266-270 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM25\u002FAM25_266.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":171,"year":172,"html":173,"doi":11},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":175,"year":176,"html":177,"doi":11},16110841,1963,"Rösch, H. (1963) Zur Kristallstruktur des Gratonits - 9PbS2As2S3. Doctoral dissertation, Verlag nicht ermittelbar.",{"id":179,"year":180,"html":181,"doi":11},16153768,1968,"Burkart-Baumann, I., Ottemann, J., and Nuber, B. (1968) Gratonite from the Rio Tinto deposits, southern Spain. Neues Jahrbuch für Mineralogie, Monatshefte 1968, 215-224 (in German).",{"id":183,"year":180,"html":184,"doi":185},154528,"Roland, George W. (1968) The system Pb-As-S. Composition and stability of jordanite. \u003Ci>Mineralium Deposita\u003C\u002Fi>,  3 (3). 249-260 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00207438'>doi:10.1007\u002Fbf00207438\u003C\u002Fa>","10.1007\u002Fbf00207438",{"id":187,"year":188,"html":189,"doi":190},107786,1969,"Ribar, B., Nowacki, W. (1969) Neubestimmung der Kristallstruktur von Gratonit, Pb9As4S15. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  128 (3). 321-338 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1969.128.3-6.321'>doi:10.1524\u002Fzkri.1969.128.3-6.321\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol128\u002FZK128_321.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1969.128.3-6.321",{"id":192,"year":193,"html":194,"doi":11},16110844,1971,"Povarennykh, O.S., Sidorenko, G.O., Solntseva, L.S., Solntsev, B.P. (1971) Long-wave infrared spectra of some complex lead sulfides. Dopovidi Akademii nauk Ukraïnsʹkoï RSR, Ser. B: 33: 596-599.",{"id":196,"year":197,"html":198,"doi":11},16110845,1975,"Besteiro, J., Bosch-Figueroa, J. H., Lopez-Sokr, A., Font-Altaba, M. (1975) Optical study of gratonite. Fortschritte der Mineralogie: 52: 549-556.",{"id":200,"year":201,"html":202,"doi":11},16110846,1978,"La Iglesia, A.; Doval, M.; Gonzalez, M. V.; Rodrigalvarez, R. (1978): Mineralogical and thermal study of the gratonite of Rio Tinto (Spain). Boletin Geologico y Minero: 89(4): 373-378 (in Spanish).",{"id":204,"year":205,"html":206,"doi":11},16964648,2005,"(2005) Gratonite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgratonite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":208,"year":209,"html":210,"doi":211},2437635,2016,"Kharbish, Sherif (2016) Micro-Raman spectroscopic investigations of extremely scarce Pb-As sulfosalt minerals: baumhauerite, dufrénoysite, gratonite, sartorite, and seligmannite. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 47 (11). 1360-1366 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.4973'>doi:10.1002\u002Fjrs.4973\u003C\u002Fa>","10.1002\u002Fjrs.4973",[213,223,232,239,248,256,264,271,279,286,293,303,311,317,323,329,336,346,354,364,373,379],{"id":214,"source_url":215,"license_code":216,"credit_html":217,"title":218,"description":219,"author":220,"original_width":221,"original_height":222},10380,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120141","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120141\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-20896.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Excelsior Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>VERY choice example of this extremely rare mineral species. This is a floater cluster, resembling a flower in appearance in person. The largest crystals reach 6 or 7 mm, which is large for the species. 1.7 x 1.6 x 1.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",619,524,{"id":224,"source_url":225,"license_code":216,"credit_html":226,"title":227,"description":228,"author":229,"original_width":230,"original_height":231},57344,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6346961","Ra'ike (see also: de:Benutzer:Ra'ike), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6346961\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonit - Bleischarley, Oberschlesien.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa> (bright) - Locality: Bleischarley, Upper Silesia - Exposed in the Mineralogical Museum, Bonn, Germany","Ra'ike (see also: de:Benutzer:Ra'ike)",2000,1600,{"id":233,"source_url":234,"license_code":216,"credit_html":235,"title":236,"description":237,"author":220,"original_width":238,"original_height":238},10381,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135412","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135412\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-55565.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Excelsior Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An EXCELLENT, lustrous, radiating thumbnail specimen of the RARE sulphosalt gratonite from the Type Locality. 1.2 x 1.2 x 0.7 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",487,{"id":240,"source_url":241,"license_code":242,"credit_html":243,"title":244,"description":245,"author":11,"original_width":246,"original_height":247},57345,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6969323","Public domain","Unknown author, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6969323\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>, no locality given, Peru? Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. No BYU index, Pb_9As_4S_15.",1400,1145,{"id":249,"source_url":250,"license_code":216,"credit_html":251,"title":252,"description":253,"author":220,"original_width":254,"original_height":255},10382,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160313","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160313\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-208805.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Excelsior Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.5 x 1.6 x 1.5 cm.\u003C\u002Fdd>\n\u003Cdd>A superb thumbnail specimen composed entirely of sharp, lustrous, metallic-gray, trigonal gratonite crystals from the Excelsior Mine, Cerro de Pasco, Peru - the Type Locality. Crystals reach 3 mm. The radial fan of crystals is especially striking. Gratonite is a rare lead, arsenic sulfosalt. Easily 100 years old as most were found in the late 1800s. Ex. Dr. Gary Hansen Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",554,463,{"id":257,"source_url":258,"license_code":216,"credit_html":259,"title":260,"description":261,"author":220,"original_width":262,"original_height":263},10383,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431270","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431270\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-sea14b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Excelsior Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.5 x 1.8 x 3.0 cm\n\u003Cdl>\u003Cdt>Gratonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Gratonite is a very rare species in crystallized form, a lead arsenic sulfide. It is known at its absolute best from this remote locality, and from finds prior to 1950 in general. This piece features sharp, elongated crystals to 5mm leaping out from an ore matrix. It is aesthetic and richly crystallized. Gratonite is hard to obtain these days, and one of the most desirable of rare sulfides in my opinion for its beauty and crystal habit. Purchased Sept. 1967 from Scott Williams. Ex. John White Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,574,{"id":265,"source_url":266,"license_code":216,"credit_html":267,"title":268,"description":261,"author":220,"original_width":269,"original_height":270},10384,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431274","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431274\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-sea14c.jpg",638,507,{"id":272,"source_url":273,"license_code":216,"credit_html":274,"title":275,"description":276,"author":220,"original_width":277,"original_height":278},57346,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137818","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137818\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-72276.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-12249.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A SUPERB cluster of lustrous, steel-gray gratonite crystals jauntily perched on matrix from the Type Locality - Cerro de Pasco, Peru. Gratonite is a rare sulfosalt. Ex Fred Pough Collection. 2.5 x 1.8 x 1.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",516,446,{"id":280,"source_url":281,"license_code":216,"credit_html":282,"title":283,"description":284,"author":220,"original_width":285,"original_height":262},10385,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461113","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461113\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-rare08-42b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Excelsior Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCerro_de_Pasco\" class=\"extiw\" title=\"en:Cerro de Pasco\">Cerro de Pasco\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Alcides_Carri%C3%B3n_Province\" class=\"extiw\" title=\"en:Daniel Alcides Carrión Province\">Daniel Alcides Carrión Province\u003C\u002Fa>, Pasco Department, Peru (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6340.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.2 x 1.2 x 1.2 cm\n\u003Cdl>\u003Cdt>Gratonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>I must say that this is one of the most aesthetic gratonite specimens I have seen. They are truly rare on the market, having come out mostly in the 1930s (or perhaps only then - I often hear of a few small finds dating to that time, and have heard of no more since). The overall doublet or hourglass form is spectacular, made up of individual crystals to 2.5 mm across in radiating rosettes. What is nice is that this is a full sized thumbnail tha tis more than the usual stubby lump with pokey crystals...it actually has some elegance. A truly competition quality thumbnail, gratonite is a rare lead, arsenic, sulfide. This specimen is also from the type locality.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",604,{"id":287,"source_url":288,"license_code":216,"credit_html":289,"title":290,"description":253,"author":220,"original_width":291,"original_height":292},57348,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160312","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160312\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-208804.jpg",600,538,{"id":294,"source_url":295,"license_code":296,"credit_html":297,"title":298,"description":299,"author":300,"original_width":301,"original_height":302},10386,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146588359","CC BY 4.0","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146588359\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonit 2.jpg","Gratonite from Cerro de Pasco, Peru, photographed on 5 mm graph paper","Slashme",2582,2094,{"id":304,"source_url":305,"license_code":296,"credit_html":306,"title":307,"description":308,"author":300,"original_width":309,"original_height":310},10387,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146588360","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146588360\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonit 1.jpg","Gratonite from Cerro de Pasco, Peru",3082,1846,{"id":312,"source_url":313,"license_code":216,"credit_html":314,"title":315,"description":261,"author":220,"original_width":254,"original_height":316},57349,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431271","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431271\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-sea14d.jpg",435,{"id":318,"source_url":319,"license_code":216,"credit_html":320,"title":321,"description":261,"author":220,"original_width":322,"original_height":262},57350,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431272","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10431272\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-sea14a.jpg",714,{"id":324,"source_url":325,"license_code":216,"credit_html":326,"title":327,"description":284,"author":220,"original_width":328,"original_height":262},57351,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461110","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461110\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-rare08-42a.jpg",616,{"id":330,"source_url":331,"license_code":216,"credit_html":332,"title":333,"description":284,"author":220,"original_width":334,"original_height":335},57352,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461188","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461188\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-rare08-42c.jpg",400,264,{"id":337,"source_url":338,"license_code":339,"credit_html":340,"title":341,"description":342,"author":343,"original_width":344,"original_height":345},57353,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118194339","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118194339\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite (48904650006).jpg","\u003Cp>Cerro De Pasco\n\u003C\u002Fp>\nPeru","Pacific Museum of Earth from Canada",3808,5889,{"id":347,"source_url":348,"license_code":339,"credit_html":349,"title":350,"description":351,"author":343,"original_width":352,"original_height":353},57355,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206118","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206118\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite (40945019713).jpg","\u003Cp>Cerro de Pasco\nPeru\n\u003C\u002Fp>\nS-74-1889",6000,4000,{"id":355,"source_url":356,"license_code":357,"credit_html":358,"title":359,"description":360,"author":361,"original_width":362,"original_height":363},57356,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165283703","CC BY 3.0","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165283703\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite-315027.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Gratonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 21 mm × 15 mm × 13 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Excelsior Mine, Cerro de Pasco, Pasco province, Pasco, Peru\u003C\u002Fdd>\n\u003Cdd>Description: Gratonite crystal group, Excelsior Mine, Peru. Ex - Gary Hansen Coll. via Rob Lavinsky, 2004. K. Nash specimen & image.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Kelly Nash",1935,1488,{"id":365,"source_url":366,"license_code":216,"credit_html":367,"title":368,"description":369,"author":370,"original_width":371,"original_height":372},38,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165197061","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165197061\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite, Schalenblende, Galena-565355.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGratonite\" class=\"extiw\" title=\"en:Gratonite\">Abernathyite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSchalenblende\" class=\"extiw\" title=\"en:Schalenblende\">Schalenblende\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FGalena\" class=\"extiw\" title=\"de:Galena\">Galena\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 55 mm × 45 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Segen Gottes Mine, Wiesloch, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany\u003C\u002Fdd>\n\u003Cdd>Description: Dark lead-grey masses of gratonite and light lead-grey octahedral crystals of galena in schalenblende. Collected in the 1960's, ex Petitjean collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",832,850,{"id":374,"source_url":375,"license_code":339,"credit_html":376,"title":377,"description":378,"author":343,"original_width":353,"original_height":352},57354,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206115","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118206115\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite with Pyrite (47911618191).jpg","\u003Cp>Cerro de Pasco\nPeru\n\u003C\u002Fp>\nS-74-1890",{"id":380,"source_url":381,"license_code":216,"credit_html":382,"title":383,"description":369,"author":370,"original_width":384,"original_height":385},37,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165197059","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=165197059\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gratonite, Schalenblende, Galena-565354.jpg",1193,841,[387],{"id":388,"url":389,"label":390,"formula":391,"spacegroup":392,"year":188},5706,"\u002Fcif\u002F5706.cif","Ribar 1969","Pb9 As4 S15","R 3 m",[394],"Gratoniet",[396,400,404,407,411,414,418,423,427,431,434,437],{"lang":397,"names":398},"ca",[399],"gratonita",{"lang":401,"names":402},"de",[403],"Gratonit",{"lang":405,"names":406},"es",[399],{"lang":408,"names":409},"eu",[410],"Gratonita",{"lang":412,"names":413},"it",[7],{"lang":415,"names":416},"mk",[417],"Гратонит",{"lang":419,"names":420},"ta",[421,422],"Pb9As4S1","கிராட்டோனைட்டு",{"lang":424,"names":425},"uk",[426],"Грейтоніт",{"lang":428,"names":429},"zh",[430],"细硫砷铅矿",{"lang":432,"names":433},"zh-cn",[430],{"lang":435,"names":436},"zh-hans",[430],{"lang":438,"names":439},"zh-hant",[440],"細硫砷鉛礦","Q3775858",{"history":11,"applications":11}]