[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2334":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":14,"elements":15,"sigelements":21,"key_elements":22,"impurities":11,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":26,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":28,"dana8ed2":32,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":11,"spacegroup":11,"spacegroupset":36,"a":37,"b":38,"c":39,"alpha":36,"beta":36,"gamma":36,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":40,"csmetamict":13,"commentcrystal":41,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":42,"tlform":43,"hmin":44,"hmax":45,"hardtype":11,"vhnmin":46,"vhnmax":47,"vhnerror":11,"vhng":48,"vhns":11,"commenthard":11,"dmeas":36,"dmeas2":36,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":11,"diapheny":51,"streak":11,"colour":52,"commentcolor":11,"colors":53,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":36,"opticalalpha2":36,"opticalalphaerror":11,"opticalbeta":36,"opticalbeta2":36,"opticalbetaerror":11,"opticalgamma":36,"opticalgamma2":36,"opticalgammaerror":11,"opticalomega":36,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":36,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":36,"optical2vcalc2":36,"optical2vcalcerror":11,"optical2vmeasured":36,"optical2vmeasured2":36,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":56,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":57,"opticalinternal":11,"opticaltropic":58,"opticalanisotropism":59,"opticalbireflectance":11,"opticalextinction":11,"opticalr":60,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":61,"description_short":62,"aboutname":63,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":64,"reviewed_at":11,"variety_of":11,"varieties":65,"group_members":66,"associates":67,"confused_with":68,"type_localities":69,"occurrence_total":76,"citations":77,"images":97,"structures":108,"synonyms":109,"language_names":112,"wikidata_qid":128,"texts":129},2334,"1:1:2334:0","fd5e88ae-a67b-4d35-af0e-90a0047e08a5","Larosite","Lar",0,"mineral",null,9,false,"(Cu,Ag)\u003Csub>21\u003C\u002Fsub>PbBiS\u003Csub>13\u003C\u002Fsub>",[16,17,18,19,20],"Ag","Bi","Cu","Pb","S",[17,18,19,20],[17,18,19],"5.7.43",[25],"APPROVED",1972,"1971","2","L","B","35","16","9","1","Orthorhombic","0","22.15","24.03","11.67",10,"Point Group: n.d.; Space Group: n.d.","small acicular to flamelike crystals, the largest being about 300 µm long.","Acicular to flame-like crystals, up to 25x300 microns, in an assemblage of chalcocite and stromeyerite in the central portion of a layered vein.",3,3.5,"121","130",100,"6.19","Metallic","Opaque","Pale buff (polished section)",[54,55],"yellow","gray","Weak","Pale buff","Anisotropic","Moderate, in gray and greenish buff.","(35.4,36.9) 400,\r\n(34.9,36.1) 420,\r\n(34.4,35.4) 440,\r\n(33.8,34.8) 460,\r\n(33.2,33.9) 480,\r\n(32.7,33.3) 500,\r\n(32.2,32.8) 520,\r\n(32.0,32.7) 540,\r\n(31.9,32.6) 560,\r\n(31.9,32.6) 580,\r\n(31.8,32.5) 600,\r\n(31.9,32.5) 620,\r\n(32.0,32.3) 640,\r\n(32.2,32.2) 660,\r\n(32.3,32.0) 680,\r\n(32.5,31.9) 700","Canadian Geological Survey, Ottawa, Canada, 12126.","Note: Electron microbe analyses of larosite from Norway (Cook et al., 2010) gave Cu20.47Ag3.68Fe0.22Pb1.01Bi1.06S15.00 calculated on the basis of 15 S atoms.","Named after Alfred LaRose (1870-1940), blacksmith and prospector who was one of the principal discoverers in 1903 of the rich silver deposits of the Cobalt area of northern Ontario, which led to a huge exploration and mining boom in the region. Two versions of the name are found in the literature, LaRose and Larose, the latter traditionally used by the family, but the former used in the naming of the mine. LaRose was inducted into the Canadian Mining Hall of Fame in 2003.","2025-08-11 12:14:21",[],[],[],[],[70],{"id":71,"txt":72,"latitude":73,"longitude":74,"country":75},11217,"Foster Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada",47.3733333,-79.6641667,"Canada",8,[78,81,84,88,92],{"id":79,"year":26,"html":80,"doi":11},16114687,"Petruk, W. (1972) Larosite, a new copper-lead-bismuth sulphide. The Canadian Mineralogist: 11: 886-891.",{"id":82,"year":26,"html":83,"doi":11},16114689,"Petruk, W. (1972) Larosite, a new copper-lead-bismuth sulphide. Canadian Mineralogist: 11: 886-891.",{"id":85,"year":86,"html":87,"doi":11},526242,1974,"Fleischer, Michael; Mandarino, Joseph A (1974) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  59 (3-4). 381-384 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM59\u002FAM59_381.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":89,"year":90,"html":91,"doi":11},16965503,2005,"(2005) Larosite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Flarosite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":93,"year":94,"html":95,"doi":96},64841,2010,"Cook, N. J., Ciobanu, C. L., Pedersen, O. S., Langerud, T. H., Karlsen, O. A. (2010) A new occurrence of larosite from the Tinnsjå Cu–Ag deposit, Telemark county, Norway. I. paragenesis and chemical composition. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  48 (6) 1569-1573 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.48.6.1569'>doi:10.3749\u002Fcanmin.48.6.1569\u003C\u002Fa>","10.3749\u002Fcanmin.48.6.1569",[98],{"id":99,"source_url":100,"license_code":101,"credit_html":102,"title":103,"description":104,"author":105,"original_width":106,"original_height":107},14011,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=110168624","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=110168624\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Larosite.jpg","Metallic microinclusions of the extremely rare Ag mineral larosite from the type locality in Foster mine (Foster Mine, Coleman Township, Cobalt, Timiskaming District, Ontario, Canada) in a matrix of chalcosine, in an analyzed specimen by SEM\u002FEDS by the former owner of the specimen (the Vandenbroucke Museum) but the analysis is no longer available. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",750,591,[],[110,111],"IMA1971-014","Larosiet",[113,117,122,125],{"lang":114,"names":115},"ca",[116],"Larosita",{"lang":118,"names":119},"de",[120,121],"IMA 1971-014","Larosit",{"lang":123,"names":124},"eu",[116],{"lang":126,"names":127},"it",[7],"Q3827114",{"history":11,"applications":11}]