[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1059":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":23,"key_elements":24,"impurities":11,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":29,"discovery_year":30,"strunz10ed1":31,"strunz10ed2":32,"strunz10ed3":33,"strunz10ed4":34,"dana8ed1":35,"dana8ed2":31,"dana8ed3":36,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":42,"beta":42,"gamma":42,"aerror":44,"berror":11,"cerror":45,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":45,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":46,"tlform":47,"hmin":48,"hmax":49,"hardtype":11,"vhnmin":42,"vhnmax":42,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":50,"dmeas2":51,"dcalc":52,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":53,"commentluster":11,"diapheny":54,"streak":55,"colour":56,"commentcolor":11,"colors":57,"streak_colors":62,"luminescence":11,"uv":63,"cleavage":11,"cleavagetype":64,"fracturetype":65,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":68,"opticalalpha":69,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":70,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":71,"opticalgamma2":42,"opticalgammaerror":11,"opticalomega":42,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":42,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":72,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":73,"optical2vmeasured2":74,"optical2vmeasurederror":11,"rimin":75,"rimax":76,"opticaldispersion":77,"opticalpleochroism":78,"opticalpleochorismdesc":79,"opticalbirefringence":80,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":81,"industrial":11,"occurrence":82,"otheroccurrence":11,"type_specimen_store":83,"description_short":84,"aboutname":85,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":86,"reviewed_at":11,"variety_of":11,"varieties":87,"group_members":88,"associates":89,"confused_with":90,"type_localities":91,"occurrence_total":98,"citations":99,"images":143,"structures":144,"synonyms":151,"language_names":154,"wikidata_qid":213,"texts":214},1059,"1:1:1059:3","52438cc1-23e1-49d0-91bc-1490d6abcbb8","Clarkeite","Cke",0,"mineral",null,309,false,"(Na,Ca,Pb)(UO\u003Csub>2\u003C\u002Fsub>)O(OH)&middot;0-1H\u003Csub>2\u003C\u002Fsub>O","Na(UO\u003Csub>2\u003C\u002Fsub>)O(OH) &middot; nH\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21,22],"Ca","Na","Pb","O","H","U",[18,20,21,22],[22],"7.16.32",[27,28],"APPROVED","GRANDFATHERED",1931,"1931","4","G","C","05","5","1","Trigonal",13,99,"R-3m ","3.954","0","17.660",1,3,"Massive, dense.","Massive, without cleavage",4,4.5,"6.29","6.39","6.74","Resinous,Waxy,Greasy","Translucent","Yellow-brown","Dark red-brown, dark brown",[58,59,60,61],"brown","red","yellow","orange",[60,58],"none","None Observed","Conchoidal,Sub-Conchoidal","brittle","Biaxial","-","1.997","2.098","2.108","32","30","50",1.997,2.108,"relatively weak","Weak","Orange and slightly deeper orange","0.111","Readily dissolves in mineral acids and hydrochloric acid. Can be dissolved in very dilute acid (1 part acid to 4 parts water).","Uranium bearing pegmatite","National Museum of Natural History, Washington, D.C., USA, 96510, R6607.","Clarkeite is a waxy to resinous dark brown replacement of uraninite. It is very uncommon, but is frequently misidentified with brown gummite that is dominated by schoepite-group minerals. Frondel (1956) warned: \"Clarkeite is best identified by its X-ra...","Named in 1931 by Clarence S. Ross, Edward P. Henderson, and Eugene Waldemar Posnjak in honor of Frank Wigglesworth Clarke [March 19, 1847 Boston, Massachusetts, USA - May 23, 1931 Washington, DC, USA], American mineral chemist, and former Chief Chemist of the U.S. Geological Survey. Clarke studied the composition of the Earth's crust and the unit of measure, the clarke, was named as a reference to the local enrichment of a chemical component relative to an average value for the chemistry of the crust.","2025-10-17 14:39:48",[],[],[],[],[92],{"id":93,"txt":94,"latitude":95,"longitude":96,"country":97},10523,"Deer Park No. 2 Mine, Penland, Mitchell County, North Carolina, USA",35.9324989,-82.1041641,"USA",25,[100,103,107,111,115,120,124,129,133,138],{"id":101,"year":29,"html":102,"doi":11},519876,"Ross, Clarence S., Henderson, E. P., Posnjak, and E. (1931) Clarkeite, a new uranium mineral. \u003Ci>American Mineralogist\u003C\u002Fi>,  16 (5) 213-220 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM16\u002FAM16_213.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":104,"year":105,"html":106,"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":108,"year":109,"html":110,"doi":11},522557,1954,"Gruner, John W. (1954) The chemical formula of clarkeite. \u003Ci>American Mineralogist\u003C\u002Fi>,  39 (9-10) 836-837 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM39\u002FAM39_836.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":112,"year":113,"html":114,"doi":11},522748,1956,"Frondel, Clifford, Meyrowitz, Robert (1956) Studies of uranium minerals (XIX): Rutherfordine, diderichite, and clarkeite. \u003Ci>American Mineralogist\u003C\u002Fi>,  41 (1-2) 127-133 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM41\u002FAM41_127.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":116,"year":117,"html":118,"doi":119},595495,1958,"Frondel, Clifford (1958) Systematic mineralogy of uranium and thorium. \u003Ci>Bulletin\u003C\u002Fi> 1064. US Geological Survey \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3133\u002Fb1064'>doi:10.3133\u002Fb1064\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fpubs.usgs.gov\u002Fbul\u002F1064\u002Freport.pdf' class='refpdflink'>\u003C\u002Fa>","10.3133\u002Fb1064",{"id":121,"year":122,"html":123,"doi":11},16105966,1992,"Finch, R.J., Ewing, R.C. (1992) The Alteration of Uraninite to Clarkeite. MRS Online Proceedings Library: 294: 513–520.",{"id":125,"year":126,"html":127,"doi":128},393625,1997,"Finch, Robert J.; Ewing, Rodney C. (1997) Clarkeite: New chemical and structural data. \u003Ci>American Mineralogist\u003C\u002Fi>,  82 (5). 607-619 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-1997-5-620'>doi:10.2138\u002Fam-1997-5-620\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol82\u002FAM82_607.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-1997-5-620",{"id":130,"year":131,"html":132,"doi":11},16963717,2005,"(2005) Clarkeite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fclarkeite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":134,"year":135,"html":136,"doi":137},395500,2006,"Kubatko, K.-A., Helean, K., Navrotsky, A., Burns, P. C. (2006) Thermodynamics of uranyl minerals: Enthalpies of formation of uranyl oxide hydrates. \u003Ci>American Mineralogist\u003C\u002Fi>,  91 (4) 658-666 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2006.1856'>doi:10.2138\u002Fam.2006.1856\u003C\u002Fa>","10.2138\u002Fam.2006.1856",{"id":139,"year":140,"html":141,"doi":142},14279165,2008,"Gorman-Lewis, Drew, Fein, Jeremy B., Burns, Peter C., Szymanowski, Jennifer E.S., Converse, Jenalee (2008) Solubility measurements of the uranyl oxide hydrate phases metaschoepite, compreignacite, Na–compreignacite, becquerelite, and clarkeite. \u003Ci>The Journal of Chemical Thermodynamics\u003C\u002Fi>, 40 (6) 980-990 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.jct.2008.02.006'>doi:10.1016\u002Fj.jct.2008.02.006\u003C\u002Fa>","10.1016\u002Fj.jct.2008.02.006",[],[145],{"id":146,"url":147,"label":148,"formula":149,"spacegroup":150,"year":126},2798,"\u002Fcif\u002F2798.cif","Finch 1997","U Na O4","R -3 m",[152,153],"Brown Gummite","Clarkeiet",[155,159,163,167,171,174,177,181,185,189,192,196,200,204,209],{"lang":156,"names":157},"ca",[158],"clarkeïta",{"lang":160,"names":161},"de",[162],"Clarkeit",{"lang":164,"names":165},"eu",[166,7],"Clarkeita",{"lang":168,"names":169},"fa",[170],"کلارکیت",{"lang":172,"names":173},"fr",[7],{"lang":175,"names":176},"it",[7],{"lang":178,"names":179},"ja",[180],"クラーク石",{"lang":182,"names":183},"nb",[184],"clarkeitt",{"lang":186,"names":187},"nn",[188],"Clarkeitt",{"lang":190,"names":191},"pl",[162],{"lang":193,"names":194},"ru",[195],"Кларкит",{"lang":197,"names":198},"sl",[199],"Klarkeit",{"lang":201,"names":202},"ta",[203],"கிளார்க்கைட்டு",{"lang":205,"names":206},"uk",[207,208],"Кларкеїт","Кларкіт",{"lang":210,"names":211},"zh",[212],"水钠铀矿","Q1062405",{"history":11,"applications":11}]