[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:51971":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":22,"key_elements":23,"impurities":11,"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":36,"a":37,"b":38,"c":39,"alpha":11,"beta":11,"gamma":11,"aerror":34,"berror":34,"cerror":40,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":41,"tlform":42,"hmin":43,"hmax":43,"hardtype":44,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":45,"dmeas":11,"dmeas2":11,"dcalc":46,"dmeaserror":11,"dcalcerror":11,"commentdense":47,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":49,"streak":50,"colour":51,"commentcolor":11,"colors":52,"streak_colors":56,"luminescence":11,"uv":57,"cleavage":58,"cleavagetype":59,"fracturetype":60,"tenacity":61,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":64,"opticalalpha2":11,"opticalalphaerror":43,"opticalbeta":65,"opticalbeta2":11,"opticalbetaerror":43,"opticalgamma":66,"opticalgamma2":11,"opticalgammaerror":43,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":67,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":68,"optical2vmeasured2":11,"optical2vmeasurederror":40,"rimin":69,"rimax":70,"opticaldispersion":11,"opticalpleochroism":71,"opticalpleochorismdesc":72,"opticalbirefringence":11,"opticalcomments":73,"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":74,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":75,"description_short":76,"aboutname":77,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":78,"reviewed_at":11,"variety_of":11,"varieties":79,"group_members":80,"associates":81,"confused_with":82,"type_localities":83,"occurrence_total":90,"citations":91,"images":103,"structures":104,"synonyms":105,"language_names":108,"wikidata_qid":122,"texts":123},51971,"1:1:51971:7","1592bbe4-f784-43ba-8ef9-3deaf12253a4","Kroupaite","Kpa",0,"mineral",null,65,false,"KPb\u003Csub>0.5\u003C\u002Fsub>[(UO\u003Csub>2\u003C\u002Fsub>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>10\u003C\u002Fsub>]·10H\u003Csub>2\u003C\u002Fsub>O","KPb\u003Csub>0.5\u003C\u002Fsub>[(UO\u003Csub>2\u003C\u002Fsub>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>10\u003C\u002Fsub>] · 10H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Pb","O","K","H","U",[17,18,19,20,21],[17,21],[25],"APPROVED",2017,2020,"4","G","B","85","0","Orthorhombic",8,61,"Pbca "," 14.8201"," 14.0958"," 16.765",1,"Tablets flattened on {100}, with prominent forms {100}, {013} and {021}.","Radial aggregates of thick platy, orange-yellow crystals, up to 1 mm, growing in interstices of gypsum crystals",2,3,"Scratch tests","5.058","Not measured due to limited amount of materal. Calculated from empirical formula.","Vitreous","Translucent","Light yellow","Orange-yellow",[53,54,55],"orange","yellow","colorless",[54],"Not fluorescent","{100}","Perfect","Irregular\u002FUneven","brittle","Biaxial","-","1.691","1.752","1.768","52.7","53",1.691,1.768,"Visible","X = colorless, Y = yellow, Z = yellow; X \u003C Y ≈ Z","X = a, Y = c, Z = b","Soluble in dilute HCl, with no effervescence","Type material is deposited in the mineralogical collections of the National Museum in Prague, Czech Republic, catalogue number no. P1P 16\u002F 2017, and the Natural History Museum of Los Angeles County, Los Angeles, CA, USA, catalogue number 66572.","Structurally related to leesite and metaschoepite.\r\n\r\nBelongs to a group of minerals that may be important in uptaking radionuclides like 90Sr or 135Cs.","The new mineral is named after mining engineer Gustav Kroupa (born 30 August 1857 in Mutějovice near Rakovník, Bohemia, died 31 May 1935 in Vienna, Austria), mining engineer, in 1896 he became the head of the k.k. Uranfarbenfabrik in St. Joachimsthal (Jáchymov) until 1900. He approved and sent 10 tons of leachates after processing of uranium ore for uranium pigments to Marie-Curie Sklodowska and Pierre Curie, who were the first to discover and isolate 3 grams of RaCl2 from them.\r\n","2025-08-11 12:15:19",[],[],[],[],[84],{"id":85,"txt":86,"latitude":87,"longitude":88,"country":89},19729,"Svornost Mine, Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic",50.3725,12.9113889,"Czech Republic",4,[92,96,99],{"id":93,"year":26,"html":94,"doi":95},244931,"Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 38. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  81 (4) 1033-1038 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2017.081.062'>doi:10.1180\u002Fminmag.2017.081.062\u003C\u002Fa>","10.1180\u002Fminmag.2017.081.062",{"id":97,"year":27,"html":98,"doi":11},16965410,"(2020) Kroupaite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkroupaite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":100,"year":27,"html":101,"doi":102},398927,"Plášil, Jakub, Kampf, Anthony R., Olds, Travis A., Sejkora, Jiří, Škoda, Radek, Burns, Peter C., Čejka, Jiří (2020) The new K, Pb-bearing uranyl-oxide mineral kroupaite: Crystal-chemical implications for the structures of uranyl-oxide hydroxy-hydrates. \u003Ci>American Mineralogist\u003C\u002Fi>,  105 (4) 561-568 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2020-7311'>doi:10.2138\u002Fam-2020-7311\u003C\u002Fa>","10.2138\u002Fam-2020-7311",[],[],[106,107],"IMA2017-031","Kroupaiet",[109,113,118],{"lang":110,"names":111},"ca",[112],"kroupaïta",{"lang":114,"names":115},"de",[116,117],"IMA 2017-031","Kroupait",{"lang":119,"names":120},"eu",[121],"Kroupaita","Q37247134",{"history":11,"applications":11}]