[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1361":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":20,"key_elements":21,"impurities":22,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":26,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":33,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":37,"c":39,"alpha":37,"beta":37,"gamma":37,"aerror":40,"berror":11,"cerror":41,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":13,"commentcrystal":43,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":44,"hmax":44,"hardtype":11,"vhnmin":37,"vhnmax":37,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":45,"dmeas2":46,"dcalc":47,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":11,"streak":49,"colour":50,"commentcolor":11,"colors":51,"streak_colors":57,"luminescence":11,"uv":11,"cleavage":58,"cleavagetype":59,"fracturetype":60,"tenacity":61,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":37,"opticalalpha2":37,"opticalalphaerror":11,"opticalbeta":37,"opticalbeta2":37,"opticalbetaerror":11,"opticalgamma":37,"opticalgamma2":37,"opticalgammaerror":11,"opticalomega":64,"opticalomega2":37,"opticalomegaerror":11,"opticalepsilon":65,"opticalepsilon2":37,"opticalepsilonerror":11,"opticaln":37,"opticaln2":37,"opticalnerror":11,"optical2vcalc":37,"optical2vcalc2":37,"optical2vcalcerror":11,"optical2vmeasured":37,"optical2vmeasured2":37,"optical2vmeasurederror":11,"rimin":66,"rimax":67,"opticaldispersion":11,"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":68,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":69,"description_short":70,"aboutname":71,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":72,"reviewed_at":11,"variety_of":11,"varieties":73,"group_members":74,"associates":75,"confused_with":76,"type_localities":77,"occurrence_total":84,"citations":85,"images":146,"structures":165,"synonyms":172,"language_names":174,"wikidata_qid":233,"texts":234},1361,"1:1:1361:7","83e65085-28c0-488c-b7c3-4dff406a2e50","Ekanite","Ek",0,"mineral",null,388,false,"Ca\u003Csub>2\u003C\u002Fsub>ThSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>",[16,17,18,19],"Ca","Si","Th","O",[16,17,18,19],[18],",U,Fe,Pb,Al,Mn,Pb,Mg,","14.16.16",[25],"APPROVED",1961,"1953","9","E","A","10","72","1","Tetragonal",26,166,"0","7.483","14.893",3,6,2,"Very often metamict.",4.5,"2.95","3.28","3.36","Vitreous","White","Green in various shades, straw-yellow, dark red, colourless",[52,53,54,55,56],"green","yellow","red","colorless","white",[56],"Distinct on {101}, indistinct on {001}","Distinct\u002FGood","Irregular\u002FUneven","brittle","Uniaxial","-","1.58","1.568",1.568,1.58,"Radioactive","Canadian Geological Survey, Ottawa, Canada, 62722.\r\nThe Natural History Museum, London, England, 1961, 472.\r\nNational Museum of Natural History, Washington, D.C., USA, 148771.","See also the related Steacyite Group.","Named in honor of Mr. Francis Leo Danvil Ekanayake, [1898, Negombo, Sri Lanka - 1971, London, UK], a gemmologist active at Colombo (Sri Lanka), who first found the material and suspected it was a new mineral.","2025-12-12 14:32:30",[],[],[],[],[78],{"id":79,"txt":80,"latitude":81,"longitude":82,"country":83},3146,"Ehiliyagoda (Ehaliyagoda; Ehelliyagoda), Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka",6.8533967,80.2616052,"Sri Lanka",20,[86,89,93,97,100,105,109,112,117,121,124,128,132,136,141],{"id":87,"year":26,"html":88,"doi":11},523639,"Fleischer, M. (1961) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  46 (11-12). 1513-1520 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM46\u002FAM46_1513.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":90,"year":26,"html":91,"doi":92},2472561,"Anderson, B. W., Claringbull, G. F., Davis, R. J., Hill, D. K. (1961) Ekanite, a New Metamict Mineral from Ceylon. \u003Ci>Nature\u003C\u002Fi>,  190 (4780) 997 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002F190997a0'>doi:10.1038\u002F190997a0\u003C\u002Fa>","10.1038\u002F190997a0",{"id":94,"year":95,"html":96,"doi":11},16108243,1962,"Gübelin, E.J. (1962) Ekanite. The Gemmologist: 31(373): 142-152.",{"id":98,"year":95,"html":99,"doi":11},16108244,"Gübelin, E.J. (1962) Ekanite. The Gemmologist: 31(374): 165-169.",{"id":101,"year":102,"html":103,"doi":104},6046,1967,"IMA (1967) International Mineralogical Association: Commission on New Minerals and Mineral Names. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  36 (277) 131-136 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1967.036.277.20'>doi:10.1180\u002Fminmag.1967.036.277.20\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_36\u002F36-277-131.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1967.036.277.20",{"id":106,"year":107,"html":108,"doi":11},16108245,1973,"Chromy, B. (1973) The wee crystals. Earth Science: 1973: 227-278. [see http:\u002F\u002Fwww.mindat.org\u002Fmesg-6-367561.html]",{"id":110,"year":107,"html":111,"doi":11},17009451,"Perrault, G., Richard, P. (1973) L'ekanite de St-Hilaire, P.Q. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  11 (5) 913-929 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM11_913.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":113,"year":114,"html":115,"doi":116},8428946,1981,"Szymański, J. T. (1981) The crystal structure of ekanite, ThCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>. \u003Ci>Acta Crystallographica Section A Foundations of Crystallography\u003C\u002Fi>,  37.  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108767381093884'>doi:10.1107\u002Fs0108767381093884\u003C\u002Fa>","10.1107\u002Fs0108767381093884",{"id":118,"year":119,"html":120,"doi":11},16997076,1982,"Szymański, J. T., Owens, D. R., Roberts, A. C., Ansell, H. G., Chao, G. Y. (1982) A mineralogical study and crystal structure determination of nonmetamict ekanite ThCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  20 (1) 65-75 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM20_65.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":122,"year":119,"html":123,"doi":11},16997077,"Perrault, G., Szymański, J. T. (1982) Steacyite, a new name and a re-evaluation of the nomenclature of \"ekanite\"-group minerals. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  20 (1) 59-63 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM20_59.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":125,"year":126,"html":127,"doi":11},527758,1983,"Dunn, Pete J., Fleischer, Michael, Burns, Roger G., Pabst, Adolf (1983) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (3-4) 471-475 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_471.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":129,"year":130,"html":131,"doi":11},16108249,1986,"Della Ventura, Giancario; Maras, Adriana; Parodi, Gian Carlo; Della Ventura, Giancarlo (1986) Nonmetamict U-rich ekanite from Pitigliano (Tuscany, Italy). \u003Ci>Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali\u003C\u002Fi>,  S. 8 Vol. 80 (7-12). 585-592 \u003Ca target='_blank' href='http:\u002F\u002Fgeodesic.mathdoc.frhttp:\u002F\u002Fwww.bdim.eu\u002Fitem?fmt=pdf&id=RLINA_1986_8_80_7-12_585_0' class='refpdflink'>\u003C\u002Fa>",{"id":133,"year":134,"html":135,"doi":11},16964088,2001,"(2001) Ekanite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fekanite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":137,"year":138,"html":139,"doi":140},65045,2012,"Evans, R. J., Groat, L. A. (2012) Structure and topology of dumortierite and dumortierite-like materials. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  50 (5) 1197-1231 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.50.5.1197'>doi:10.3749\u002Fcanmin.50.5.1197\u003C\u002Fa>","10.3749\u002Fcanmin.50.5.1197",{"id":142,"year":143,"html":144,"doi":145},143178,2017,"Nasdala, Lutz, Corfu, Fernando, Blaimauer, Doris, Chanmuang, Chutimun, Ruschel, Katja, Škoda, Radek, Wildner, Manfred, Wirth, Richard, Zeug, Manuela, Zoysa, E. Gamini (2017) Neoproterozoic amorphous “ekanite” (Ca2Th0.9U0.1Si8O20) from Okkampitiya, Sri Lanka: A metamict gemstone with excellent lead-retention performance. \u003Ci>Geology\u003C\u002Fi>,  45 (10) 919-922 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1130\u002Fg39334.1'>doi:10.1130\u002Fg39334.1\u003C\u002Fa>","10.1130\u002Fg39334.1",[147,157],{"id":148,"source_url":149,"license_code":150,"credit_html":151,"title":152,"description":153,"author":154,"original_width":155,"original_height":156},7684,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=71073854","CC BY-SA 4.0","Geni, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=71073854\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cut crystal of Ekanite.JPG","Photo of a Cut crystal of Ekanite","Geni",896,856,{"id":158,"source_url":159,"license_code":150,"credit_html":160,"title":161,"description":162,"author":154,"original_width":163,"original_height":164},7685,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=105272457","Geni, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=105272457\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ekanitef13.JPG","Photo of about .1g of Ekanite",1548,1081,[166],{"id":167,"url":168,"label":169,"formula":170,"spacegroup":171,"year":119},4050,"\u002Fcif\u002F4050.cif","Szymanski 1982","(Th.95 U.05) (Ca1.92 Fe.06 Mn.02) Si8 O20","I 4 2 2",[173],"Ekaniet",[175,179,183,187,190,194,198,201,204,208,212,215,218,221,225,229],{"lang":176,"names":177},"ca",[178],"ekanita",{"lang":180,"names":181},"de",[182],"Ekanit",{"lang":184,"names":185},"es",[186],"Ekanita",{"lang":188,"names":189},"eu",[186],{"lang":191,"names":192},"fi",[193],"Ekaniitti",{"lang":195,"names":196},"fr",[197],"ekanite",{"lang":199,"names":200},"id",[182],{"lang":202,"names":203},"it",[7],{"lang":205,"names":206},"ky",[207],"Эканит",{"lang":209,"names":210},"mk",[211],"Еканит",{"lang":213,"names":214},"nl",[197],{"lang":216,"names":217},"pl",[182],{"lang":219,"names":220},"ru",[207],{"lang":222,"names":223},"ta",[224],"ஏகானைட்டு",{"lang":226,"names":227},"uk",[228],"Еканіт",{"lang":230,"names":231},"zh",[232],"硅钙铀钍矿","Q2252707",{"history":11,"applications":11}]