[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2269":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":18,"key_elements":11,"impurities":11,"cim":19,"ima_status":20,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":23,"discovery_year":24,"strunz10ed1":25,"strunz10ed2":26,"strunz10ed3":27,"strunz10ed4":28,"dana8ed1":29,"dana8ed2":30,"dana8ed3":31,"dana8ed4":31,"csystem":32,"cclass":33,"spacegroup":11,"spacegroupset":34,"a":35,"b":36,"c":37,"alpha":34,"beta":34,"gamma":34,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":38,"csmetamict":13,"commentcrystal":39,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":34,"vhnmax":34,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":40,"dmeas2":40,"dcalc":41,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":42,"streak":11,"colour":43,"commentcolor":11,"colors":44,"streak_colors":11,"luminescence":11,"uv":46,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":47,"opticalsign":48,"opticalalpha":49,"opticalalpha2":34,"opticalalphaerror":11,"opticalbeta":50,"opticalbeta2":34,"opticalbetaerror":11,"opticalgamma":51,"opticalgamma2":34,"opticalgammaerror":11,"opticalomega":34,"opticalomega2":34,"opticalomegaerror":11,"opticalepsilon":34,"opticalepsilon2":34,"opticalepsilonerror":11,"opticaln":34,"opticaln2":34,"opticalnerror":11,"optical2vcalc":34,"optical2vcalc2":34,"optical2vcalcerror":11,"optical2vmeasured":34,"optical2vmeasured2":34,"optical2vmeasurederror":11,"rimin":52,"rimax":53,"opticaldispersion":54,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"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":11,"industrial":11,"occurrence":55,"otheroccurrence":11,"type_specimen_store":56,"description_short":57,"aboutname":58,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":59,"reviewed_at":11,"variety_of":11,"varieties":60,"group_members":61,"associates":62,"confused_with":63,"type_localities":64,"occurrence_total":71,"citations":72,"images":107,"structures":108,"synonyms":121,"language_names":127,"wikidata_qid":159,"texts":160},2269,"1:1:2269:5","9efe9763-669a-4b47-b483-9bd7de44f8e5","Kratochvílite","Ktc",0,"mineral",null,82,false,"C\u003Csub>13\u003C\u002Fsub>H\u003Csub>10\u003C\u002Fsub>",[16,17],"C","H",[16,17],"32.4",[21,22],"APPROVED","GRANDFATHERED",1937,"1937","10","B","A","25","50","3","1","Orthorhombic",8,"0","8.50","5.71","19.00",4,"Space Group: P nam.","1.206","1.197","Translucent","Colorless",[45],"colorless","SW UV: Bright blue-violet.","Biaxial","+","1.578","1.663","1.919",1.578,1.919,"very weak","Burning pyritic shale.","No designated type material.","Organic compound formed in burning pyritic shale or coal fires. It is uncertain whether kratochvíllite is the chemical fluorene (more specifically: 9H-fluorene) (C13H10) or anthracene (C14H10) - further study of type material needed.\r\n\r\nNote (04.04.202...","To honor Josef Kratochvíl (28 July 1878, Caslav, Czech Republic - 1 November 1958, Prague, Czech Republic), petrographer and professor, Charles University, Prague, Czech Republic. He wrote the eight-volume work, 'The Topographic Mineralogy of Bohemia'.","2026-04-25 17:44:05",[],[],[],[],[65],{"id":66,"txt":67,"latitude":68,"longitude":69,"country":70},13670,"Kladno mine, Libušin, Kladno District, Central Bohemian Region, Czech Republic",50.1627363,14.0297529,"Czech Republic",5,[73,76,80,85,89,94,99,103],{"id":74,"year":23,"html":75,"doi":11},16114233,"Rost, R. (1937) The minerals of the burning coal heaps in the vicinity of Kladno. Rozpravy Ceske Akademie: Kl II: 47(11): 6 pp.",{"id":77,"year":78,"html":79,"doi":11},520814,1938,"Foshag, W.F. (1938) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  23 (10). 666-668 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM23\u002FAM23_666.pdf?reftype=.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":81,"year":82,"html":83,"doi":84},465296,1954,"Brown, G. M., Bortner, M. H. (1954) On the crystal and molecular structure of fluorene. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  7 (1) 139 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x54000382'>doi:10.1107\u002Fs0365110x54000382\u003C\u002Fa>","10.1107\u002Fs0365110x54000382",{"id":86,"year":87,"html":88,"doi":11},16114236,1955,"Burns, D.M., Iball, J. (1955) The crystal and molecular structure of fluorene. Proceedings of the Royal Society of London: 227: 200-214.",{"id":90,"year":91,"html":92,"doi":93},2067447,1969,"Bree, A., Zwarich, R. (1969) Vibrational Assignment of Fluorene from the Infrared and Raman Spectra. \u003Ci>The Journal of Chemical Physics\u003C\u002Fi>,  51 (3) 912-920 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1063\u002F1.1672155'>doi:10.1063\u002F1.1672155\u003C\u002Fa>","10.1063\u002F1.1672155",{"id":95,"year":96,"html":97,"doi":98},223223,1984,"Gerkin, R. E.; Lundstedt, A. P.; Reppart, W. J. (1984) Structure of fluorene, C13H10, at 159 K. \u003Ci>Acta Crystallographica Section C Crystal Structure Communications\u003C\u002Fi>,  40 (11). p.1892-1894. \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108270184009963'>doi:10.1107\u002Fs0108270184009963\u003C\u002Fa>","10.1107\u002Fs0108270184009963",{"id":100,"year":101,"html":102,"doi":11},18670262,1995,"Witzke, Th. (1995) Kratochviit, C13H19 oder C14H10? [Kratochviite, C13H19 or C14H10?]. \u003Ci>Mineralien-Welt\u003C\u002Fi>,  6 (4). p.25.",{"id":104,"year":105,"html":106,"doi":11},16965395,2005,"(2005) Kratochvílite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkratochvilite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[109,115],{"id":110,"url":111,"label":112,"formula":113,"spacegroup":114,"year":96},7284,"\u002Fcif\u002F7284.cif","Gerkin 1984","C13 H10","P n m a",{"id":116,"url":117,"label":118,"formula":119,"spacegroup":120,"year":87},7285,"\u002Fcif\u002F7285.cif","Burns 1955","C13","P n a m",[122,123,124,125,126],"Anthracen","Anthracene","Anthracène","Fluorene","Kratochvíliet",[128,132,136,140,144,148,152,155],{"lang":129,"names":130},"ca",[131],"kratochvilita",{"lang":133,"names":134},"de",[135],"Kratochvílit",{"lang":137,"names":138},"es",[139],"Kratochvilita",{"lang":141,"names":142},"eu",[143],"Kratotxvilita",{"lang":145,"names":146},"it",[147],"kratochvílite",{"lang":149,"names":150},"ja",[151],"クラトフヴィル石",{"lang":153,"names":154},"ms",[135],{"lang":156,"names":157},"ta",[158],"கிராட்டோச்விலைட்டு","Q408618",{"history":11,"applications":11}]