[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1622":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":20,"key_elements":21,"impurities":11,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":27,"dana8ed2":31,"dana8ed3":32,"dana8ed4":33,"csystem":34,"cclass":11,"spacegroup":11,"spacegroupset":35,"a":36,"b":37,"c":38,"alpha":35,"beta":39,"gamma":35,"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":44,"hardtype":11,"vhnmin":45,"vhnmax":46,"vhnerror":11,"vhng":47,"vhns":11,"commenthard":11,"dmeas":35,"dmeas2":35,"dcalc":48,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":49,"lustretype":49,"commentluster":11,"diapheny":50,"streak":11,"colour":51,"commentcolor":11,"colors":52,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":35,"opticalalpha2":35,"opticalalphaerror":11,"opticalbeta":35,"opticalbeta2":35,"opticalbetaerror":11,"opticalgamma":35,"opticalgamma2":35,"opticalgammaerror":11,"opticalomega":35,"opticalomega2":35,"opticalomegaerror":11,"opticalepsilon":35,"opticalepsilon2":35,"opticalepsilonerror":11,"opticaln":35,"opticaln2":35,"opticalnerror":11,"optical2vcalc":35,"optical2vcalc2":35,"optical2vcalcerror":11,"optical2vmeasured":35,"optical2vmeasured2":35,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":54,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":55,"opticalinternal":11,"opticaltropic":56,"opticalanisotropism":57,"opticalbireflectance":11,"opticalextinction":11,"opticalr":58,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":59,"other":60,"industrial":11,"occurrence":61,"otheroccurrence":11,"type_specimen_store":62,"description_short":11,"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":94,"structures":123,"synonyms":124,"language_names":127,"wikidata_qid":148,"texts":149},1622,"1:1:1622:9","ca926b87-27b4-45d3-a5e2-b8722eb59f96","Furutobeite","Fur",0,"mineral",null,128,false,"(Cu,Ag)\u003Csub>6\u003C\u002Fsub>PbS\u003Csub>4\u003C\u002Fsub>",[16,17,18,19],"Ag","Cu","Pb","S",[17,18,19],[17,18],"3.6.8",[24],"APPROVED",1981,"1981","2","B","E","10","16","12","1","Monoclinic","0","20.02","3.96","9.07","101.57",4,"Point Group: m, 2, or 2\u002Fm; Space Group: Cm, C2, or C2\u002Fm.","Granular to 300 microns","Grains 10-300 microns",3,"100","108",25,"6.74","Metallic","Opaque","Gray",[53],"gray","Weak","Gray with a creamy yellow tint","Anisotropic","Moderate from light yellow to dark brown","(32.0, 34.6) 480,\r\n(32.8, 34.9) 546,\r\n(33.2, 35.2) 589,\r\n(33.6, 34.6) 657","When heated, it decomposes at 100+\u002F-2°C into galena plus a solid solution of CuAgS and Cu2S, which when cooled forms stromeyerite and chalcocite.","Etched iridescent by 20% FeCl3 solution and is blackened instantly by 20% KCN solution. Negative to KOH, HCl 1:1, HNO3 1:1 and HgCl2 solution.","Kuroko deposit","Institute of Mineralogy, Petrology and Economic Geology, Faculty of Science, Tohoku University, Sendai, Japan","Named after the Furutobe mine, Japan, the discovery locality.","2025-11-25 15:15:39",[],[],[],[],[70],{"id":71,"txt":72,"latitude":73,"longitude":74,"country":75},4364,"Furutobe mine (Furutohbe mine), Kosaka, Akita Prefecture, Japan",40.4020125,140.6966252,"Japan",11,[78,82,86,90],{"id":79,"year":25,"html":80,"doi":81},402974,"Sugaki, Asahiko; Kitakaze, Arashi; Odashima, Yoshitsugu (1981) Furutobeite, a new copper-silver-lead sulfide mineral. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  104 (6). 737-741 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1981.7518'>doi:10.3406\u002Fbulmi.1981.7518\u003C\u002Fa>","10.3406\u002Fbulmi.1981.7518",{"id":83,"year":84,"html":85,"doi":11},15937640,1982,"Fleischer, M., Cabri, L.J., Chao, G.Y., Mandarino, J.A., Pabst, A. (1982) New mineral names. American Mineralogist: 67: 1074-1082.",{"id":87,"year":88,"html":89,"doi":11},16964472,2005,"(2005) Furutobeite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffurutobeite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":91,"year":92,"html":93,"doi":11},16109899,2010,"Fojt, B., Škoda, R., Dolníček, Z. (2010) Furutobeit a betechtinit z ložiska Horní Benešov v Nízkém Jeseníku (Furutobeite and betekhtinite from the ore deposit Horní Benešov in the Nízký Jeseník Mts. – Czech Republic). Acta Musei Moraviae, Scientiae Geologicae: 95(2): 81–86. (English summary)",[95,105,112,118],{"id":96,"source_url":97,"license_code":98,"credit_html":99,"title":100,"description":101,"author":102,"original_width":103,"original_height":104},9493,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152767","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152767\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Furutobeite-Quartz-Tennantite-180490.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFurutobeite\" class=\"extiw\" title=\"en:Furutobeite\">Furutobeite\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\u002FTennantite\" class=\"extiw\" title=\"en:Tennantite\">Tennantite\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 2.6 x 1.8 cm.\u003C\u002Fdd>\n\u003Cdd>This exceedingly rare species occurs as hackly, black crystals, to .5 cm across, associated with .5 cm in length, colorless quartz crystals. Both of these species are on earlier formed, blocky, dark gray crystals of tennantite, up to 1.0 cm across. This specimen has exceptional crystals, starkly perched on contrasting matrix because of the quartz sprays. Analyzed by Dr. Marcus Origlieri. Ex. Uli Bahmann Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",800,762,{"id":106,"source_url":107,"license_code":98,"credit_html":108,"title":109,"description":101,"author":102,"original_width":110,"original_height":111},9494,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152768","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152768\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Furutobeite-Quartz-Tennantite-180491.jpg",340,400,{"id":113,"source_url":114,"license_code":98,"credit_html":115,"title":116,"description":117,"author":102,"original_width":103,"original_height":104},9495,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465401","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465401\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Furutobeite-Quartz-Tennantite-t07-70a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFurutobeite\" class=\"extiw\" title=\"en:Furutobeite\">Furutobeite\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\u002FTennantite\" class=\"extiw\" title=\"en:Tennantite\">Tennantite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \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-43981.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.7 x 2.6 x 1.8 cm\n\u003Cdl>\u003Cdt>Furutobeite (analyzed) with Quartz on Tennantite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This exceedingly rare species occurs as hackly, black crystals, to .5 cm across, associated with .5 cm in length, colorless quartz crystals. Both of these species are on earlier formed, blocky, dark gray crystals of tennantite, up to 1.0 cm across. True furutobeite is VERY rare and analysis must be performed by a skilled individual to establish its identity solidly. This specimen has exceptional crystals, starkly perched on contrasting matrix because of the quartz sprays. Analsysis was performed by Dr. Marcus Origlieri.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":119,"source_url":120,"license_code":98,"credit_html":121,"title":122,"description":117,"author":102,"original_width":110,"original_height":111},9496,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465403","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10465403\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Furutobeite-Quartz-Tennantite-t07-70b.jpg",[],[125,126],"Furutobeiet","IMA1978-040",[128,132,137,141,144],{"lang":129,"names":130},"ca",[131],"furutobeïta",{"lang":133,"names":134},"de",[135,136],"Furutobeit","IMA 1978-040",{"lang":138,"names":139},"eu",[140],"Furutobeita",{"lang":142,"names":143},"it",[7],{"lang":145,"names":146},"ja",[147],"古遠部鉱","Q3754875",{"history":11,"applications":11}]