[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:7089":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":15,"elements":16,"sigelements":21,"key_elements":22,"impurities":23,"cim":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":32,"dana8ed3":32,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":32,"a":36,"b":32,"c":37,"alpha":32,"beta":32,"gamma":32,"aerror":38,"berror":11,"cerror":39,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":40,"z":41,"csmetamict":13,"commentcrystal":11,"twinning":42,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":43,"tlform":44,"hmin":38,"hmax":39,"hardtype":11,"vhnmin":32,"vhnmax":32,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":32,"dmeas2":32,"dcalc":45,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":46,"lustretype":46,"commentluster":11,"diapheny":47,"streak":48,"colour":49,"commentcolor":11,"colors":50,"streak_colors":53,"luminescence":11,"uv":54,"cleavage":11,"cleavagetype":55,"fracturetype":56,"tenacity":57,"commentbreak":11,"opticaltype":58,"opticalsign":11,"opticalalpha":59,"opticalalpha2":32,"opticalalphaerror":11,"opticalbeta":60,"opticalbeta2":32,"opticalbetaerror":11,"opticalgamma":32,"opticalgamma2":32,"opticalgammaerror":11,"opticalomega":32,"opticalomega2":32,"opticalomegaerror":11,"opticalepsilon":32,"opticalepsilon2":32,"opticalepsilonerror":11,"opticaln":32,"opticaln2":32,"opticalnerror":11,"optical2vcalc":32,"optical2vcalc2":32,"optical2vcalcerror":11,"optical2vmeasured":32,"optical2vmeasured2":32,"optical2vmeasurederror":11,"rimin":61,"rimax":62,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":63,"opticalinternal":64,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":65,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":66,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":67,"description_short":68,"aboutname":69,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":70,"reviewed_at":11,"variety_of":11,"varieties":71,"group_members":72,"associates":73,"confused_with":74,"type_localities":75,"occurrence_total":80,"citations":81,"images":95,"structures":96,"synonyms":103,"language_names":106,"wikidata_qid":123,"texts":124},7089,"1:1:7089:4","9ad9c96e-7e08-462e-9630-0c289ff02eec","Dukeite","Duk",0,"mineral",null,69,false,"Bi\u003Csup>3+\u003C\u002Fsup>\u003Csub>24\u003C\u002Fsub>Cr\u003Csup>6+\u003C\u002Fsup>\u003Csub>8\u003C\u002Fsub>O\u003Csub>57\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","Bi\u003Csup>3+\u003C\u002Fsup>\u003Csub>24\u003C\u002Fsub>Cr\u003Csup>6+\u003C\u002Fsup>\u003Csub>8\u003C\u002Fsub>O\u003Csub>57\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20],"Bi","Cr","O","H",[17,18,19,20],[17,18],"V",[25],"APPROVED",1999,2000,"7","D","F","80","0","Trigonal",11,81,"15.067","15.293",3,4,3007,2,"None observed.","Very tightly bound sheaves of parallel growth acicular crystals.","Grouped sheaves \u002F acicular crystals, possibly pseudomorphous after unnamed phase; aggregates are 1 x 0.3 mm\u003Csup>2\u003C\u002Fsup>, and individuals up to 100 x 1-2 µm.","7.171","Resinous","Transparent","Bright yellow","Yellow to dirty yellow-brown",[51,52],"yellow","brown",[51],"none","None Observed","Irregular\u002FUneven","brittle","Uniaxial","2.33","2.37",2.33,2.37,"Gray to purplish gray","Yellow (strong)","Very weak","Slowly soluble in HCl.","Geological Survey of Canada, Ottawa, Ontario, Canada, number NMC 68082.\r\nNatural History Museum, London, United Kingdom, number BM 1999,26 (type)\r\nNational Museum of Natural History, Washington, D.C., USA, number 172012 (holotype).","Unique combination of elements. Third natural bismuth-bearing chromate after chrombismite and 'unnamed (Bi chromate oxide)'.\r\n\r\nThe structure is based on irregular layers of Biφn polyhedra, with φ being O, OH, and H2O; the layers are parallel to (001),...","Named for Duke University (North Carolina), as the holotype specimen was discovered in its collections, and for the Duke family. The discoverers of the mineral also note that the name acknowledges the Mary Duke Biddle Foundation 'for its support of mineralogical research that directly led to the initial discovery of the mineral.'","2026-01-24 10:47:09",[],[],[],[],[76],{"id":77,"txt":78,"latitude":11,"longitude":11,"country":79},392,"Posse mine, São José de Brejaúba, Conceição do Mato Dentro, Minas Gerais, Brazil","Brazil",1,[82,86,91],{"id":83,"year":27,"html":84,"doi":85},394152,"Burns, Peter C., Roberts, Andrew C., Stirling, John A.R., Criddle, Alan J., Feinglos, Mark N. (2000) Dukeite, Bi\u003Csup>3+\u003C\u002Fsup>\u003Csub>24\u003C\u002Fsub>Cr\u003Csup>6+\u003C\u002Fsup>\u003Csub>8\u003C\u002Fsub>O\u003Csub>57\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>3\u003C\u002Fsub>, a new mineral from Brejaúba, Minas Gerais, Brazil: Description and crystal structure. \u003Ci>American Mineralogist\u003C\u002Fi>,  85 (11) 1822-1827 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2000-11-1227'>doi:10.2138\u002Fam-2000-11-1227\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol85\u002FAM85_1822.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-2000-11-1227",{"id":87,"year":88,"html":89,"doi":90},63557,2001,"Mandarino, Joseph A. (2001) New minerals. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  39 (5) 1473-1502 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.39.5.1473'>doi:10.2113\u002Fgscanmin.39.5.1473\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol39\u002FCM39_1473.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.39.5.1473",{"id":92,"year":93,"html":94,"doi":11},16964041,2021,"(2021) Dukeite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FDukeite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[97],{"id":98,"url":99,"label":100,"formula":101,"spacegroup":102,"year":27},3962,"\u002Fcif\u002F3962.cif","Burns 2000","Bi12 Cr4 O33 H6","P 3 1 c",[104,105],"Dukeiet","IMA1999-021",[107,111,116,120],{"lang":108,"names":109},"ca",[110],"dukeïta",{"lang":112,"names":113},"de",[114,115],"Dukeit","IMA 1999-021",{"lang":117,"names":118},"eu",[119],"Dukeita",{"lang":121,"names":122},"it",[7],"Q3716171",{"history":11,"applications":11}]