[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1539":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":16,"ima_formula":15,"elements":17,"sigelements":21,"key_elements":22,"impurities":11,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":38,"beta":38,"gamma":38,"aerror":42,"berror":42,"cerror":42,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":43,"twinning":11,"tranglide":11,"parting":44,"epitaxidescription":11,"morphology":45,"tlform":11,"hmin":42,"hmax":46,"hardtype":11,"vhnmin":47,"vhnmax":48,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":38,"dmeas2":38,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":11,"diapheny":51,"streak":52,"colour":53,"commentcolor":11,"colors":54,"streak_colors":60,"luminescence":11,"uv":61,"cleavage":62,"cleavagetype":63,"fracturetype":64,"tenacity":65,"commentbreak":11,"opticaltype":66,"opticalsign":67,"opticalalpha":68,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":69,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":70,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":71,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":72,"optical2vmeasured2":73,"optical2vmeasurederror":11,"rimin":74,"rimax":75,"opticaldispersion":76,"opticalpleochroism":77,"opticalpleochorismdesc":78,"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":11,"otheroccurrence":79,"type_specimen_store":80,"description_short":81,"aboutname":82,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":83,"reviewed_at":11,"variety_of":11,"varieties":84,"group_members":85,"associates":131,"confused_with":132,"type_localities":138,"occurrence_total":143,"citations":144,"images":179,"structures":190,"synonyms":204,"language_names":206,"wikidata_qid":237,"texts":238},1539,"1:1:1539:0","f8e6caed-9603-49e3-af1f-17935f1360a2","Fersmite","Fsm",0,"mineral",null,47564,1064,false,"CaNb\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>","Previously given as \u003Cf>(Ca,Ce,Na)(Nb,Ta,Ti)^2(O,OH,F)^6\u003C\u002Ff>.",[18,19,20],"Ca","Nb","O",[18,19,20],[19],"18.2.12",[25,26],"APPROVED","GRANDFATHERED","1946","4","D","G","05","8","3","1","Orthorhombic",8,63,"0","14.926","5.752","5.204",4,"commonly metamict","present","prismatic crystals",4.5,"572","593","4.78","Sub-Vitreous,Resinous,Sub-Metallic","Translucent,Opaque","Grayish brown","Black, dark brown, lemon-yellow to yellow-brown",[55,56,57,58,59],"black","brown","yellow","gray","green",[58,56],"Fluoresces yellow-green to bluish green under SW and LW UV; light blue cathodoluminescence","{100}","Distinct\u002FGood","Sub-Conchoidal","very brittle","Biaxial","+","2.07","2.08","2.19","36","20","25",2.07,2.19,"r \u003C v strong","Weak","X = Y = pale greenish yellow to colorless; Z = dark greenish yellow to olive-yellow","accessory mineral in nepheline syenites and carbonatites.","A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 44383, 44384","Fersmite (similar to Fergusonite) is one of the most low-titanoan niobates.\r\nCompare Vigezzite.","Named in 1946 by Elsa Maximilianovna Bohnstedt-Kupletskaya and T. A. Burova in honour of academic Aleksandr Evgenievich Fersman (November 8, 1883 St. Petersburg, Russia - May 20, 1945 Sochi, Georgia), mineralogist, founder of the Fersman Mineralogical Museum in Moscow, Russia.  The mineral \u003Cm>fersmanite\u003C\u002Fm> is also named after him.","2026-05-20 10:20:30",[],[86,96,104,111,119,124],{"id":87,"name":88,"entrytype":9,"csystem":35,"ima_formula":89,"mindat_formula":90,"hmin":91,"hmax":92,"dmeas":93,"dcalc":94,"primary_image_id":95},1425,"Euxenite-(Y)","Y(Ti,Nb)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub>","(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>",5.5,6.5,"5.3","5.16",8207,{"id":97,"name":98,"entrytype":9,"csystem":99,"ima_formula":100,"mindat_formula":100,"hmin":91,"hmax":91,"dmeas":101,"dcalc":102,"primary_image_id":103},2232,"Kobeite-(Y)","Isometric","(Y,U)(Ti,Nb)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub> (?)","4.60","4.13",13456,{"id":105,"name":106,"entrytype":9,"csystem":11,"ima_formula":107,"mindat_formula":108,"hmin":109,"hmax":109,"dmeas":110,"dcalc":38,"primary_image_id":11},2435,"Loranskite-(Y)","(Y,Ce,Ca)(Zr,Ta)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub> (?)","(Y,Ce,Ca)ZrTaO\u003Csub>6\u003C\u002Fsub> (?)",5,"4.6",{"id":112,"name":113,"entrytype":9,"csystem":35,"ima_formula":114,"mindat_formula":115,"hmin":91,"hmax":116,"dmeas":117,"dcalc":38,"primary_image_id":118},3883,"Tanteuxenite-(Y)","Y(TaTi)O\u003Csub>6\u003C\u002Fsub>","Y(Ta,Nb,Ti)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub>",6,"5.4",23599,{"id":120,"name":121,"entrytype":9,"csystem":35,"ima_formula":122,"mindat_formula":123,"hmin":109,"hmax":116,"dmeas":38,"dcalc":38,"primary_image_id":11},4109,"Uranopolycrase","UTi\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>","(U\u003Csup>4+\u003C\u002Fsup>,Y)(Ti,Nb)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>",{"id":125,"name":126,"entrytype":9,"csystem":127,"ima_formula":11,"mindat_formula":128,"hmin":91,"hmax":116,"dmeas":129,"dcalc":38,"primary_image_id":130},4370,"Yttrocrasite-(Y)","Amorphous","(Y,Th,Ca,U)(Ti,Fe)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub>","4.8",86877,[],[133],{"id":134,"name":135,"entrytype":9,"csystem":35,"ima_formula":15,"mindat_formula":15,"hmin":46,"hmax":109,"dmeas":38,"dcalc":136,"primary_image_id":137},4177,"Vigezzite","5.54",27444,[139],{"id":140,"txt":141,"latitude":11,"longitude":11,"country":142},204989,"Vein No. 37A, Buldym Lake, Vishnevye Mountains, Chelyabinsk Oblast, Russia","Russia",110,[145,149,153,157,161,165,169,174],{"id":146,"year":147,"html":148,"doi":11},16109348,1946,"Bohnstedt-Kupletskaya, E.M., Burova, T.A. (1946) Fersmite, a new calcium niobate from the pegmatites of the Vishnevye Mts., the Central Urals. Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS: 52: 69-71.",{"id":150,"year":151,"html":152,"doi":11},521689,1947,"Fleischer, M. (1947) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  32 (5-6). 371-374 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM32\u002FAM32_371.pdf?reftype=.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":154,"year":155,"html":156,"doi":11},16109350,1958,"Ismailzade, I.G. (1958) Crystal structure of the niobiates and the tantalates of bivalent metals and their solid solutions. Crystallography Reports 22: 1480-1482.",{"id":158,"year":159,"html":160,"doi":11},16109351,1993,"Yamnova, N.A., Tsomirova, E.S., Leonyuk, N.I. (1993) Crystal structure of synthetic La-containing fersmite. Crystallography Reports: 38: 124-125.",{"id":162,"year":163,"html":164,"doi":11},16109352,2001,"Gurbanova, O.A., Rastsvetaeva, R.K., Kashaev, A.A., Smolin, A.S. (2001) Refined crystal structure of TR-fersmite (TR = Ce). Crystallography Reports: 46: 194-195.",{"id":166,"year":167,"html":168,"doi":11},16964328,2005,"(2005) Fersmite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffersmite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":170,"year":171,"html":172,"doi":173},270702,2007,"Škoda, Radek, Novák, Milan (2007) Y,REE,Nb,Ta,Ti-oxide (AB2O6) minerals from REL–REE euxenite-subtype pegmatites of the Třebíč Pluton, Czech Republic; substitutions and fractionation trends. \u003Ci>Lithos\u003C\u002Fi>,  95 (1) 43-57 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.lithos.2006.07.020'>doi:10.1016\u002Fj.lithos.2006.07.020\u003C\u002Fa>","10.1016\u002Fj.lithos.2006.07.020",{"id":175,"year":176,"html":177,"doi":178},18677681,2025,"Geeth Sameera, K. A.; Chanmuang N., Chutimun; Škoda, Radek; Wildner, Manfred; Nasdala, Lutz (2025) Three columbite-group minerals from Ratnapura, Sri Lanka. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  119 (2). 279-287 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00710-025-00936-y'>doi:10.1007\u002Fs00710-025-00936-y\u003C\u002Fa>","10.1007\u002Fs00710-025-00936-y",[180],{"id":181,"source_url":182,"license_code":183,"credit_html":184,"title":185,"description":186,"author":187,"original_width":188,"original_height":189},8871,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66345105","CC0 1.0","Edoardo Mazzola, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66345105\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fersmite-442823.jpg","Size crystal mm.0,45 very nice. Collection and photo Edoardo Mazzola. From: Alpe Rosso, Orcesco, Druogno, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy","Edoardo Mazzola",850,638,[191,197],{"id":192,"url":193,"label":194,"formula":195,"spacegroup":196,"year":163},4649,"\u002Fcif\u002F4649.cif","Gurbanova 2001","(Ca.89 Ce.11) (Nb1.3 Ti.7) O6","P c a n",{"id":198,"url":199,"label":200,"formula":201,"spacegroup":202,"year":203},4650,"\u002Fcif\u002F4650.cif","Cummings 1970","Ca Nb2 O6","P b c n",1970,[205],"Fersmiet",[207,211,215,219,223,226,229,233],{"lang":208,"names":209},"ca",[210],"fersmita",{"lang":212,"names":213},"de",[214],"Fersmit",{"lang":216,"names":217},"es",[218],"Fersmita",{"lang":220,"names":221},"et",[222],"fersmiit",{"lang":224,"names":225},"eu",[218],{"lang":227,"names":228},"it",[7],{"lang":230,"names":231},"ru",[232],"Ферсмит",{"lang":234,"names":235},"zh",[236],"铌钙矿","Q3743841",{"history":11,"applications":11}]