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Approved in 2020. \r\n\r\nAnalyses published (Christy & Atencio, 2013).","Named for being the \u003Cstrong>oxy\u003C\u002Fstrong>gen- and \u003Cstrong>calci\u003C\u002Fstrong>um-dominant member of the \u003Cstrong>microlite\u003C\u002Fstrong> group.","2025-08-11 12:15:06",[],[65,71,78,84,91,98,103,109,116,124],{"id":66,"name":67,"entrytype":9,"csystem":31,"ima_formula":68,"mindat_formula":69,"hmin":36,"hmax":41,"dmeas":11,"dcalc":70,"primary_image_id":11},40354,"Fluorcalciomicrolite","(Ca,Na,◻)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>F","(Ca,Na)\u003Csub>2\u003C\u002Fsub>(Ta,Nb)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>F","6.160",{"id":72,"name":73,"entrytype":9,"csystem":31,"ima_formula":74,"mindat_formula":74,"hmin":41,"hmax":41,"dmeas":75,"dcalc":76,"primary_image_id":77},7047,"Fluornatromicrolite","(Na\u003Csub>1.5\u003C\u002Fsub>Bi\u003Csub>0.5\u003C\u002Fsub>)Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>F","6.49","0",9167,{"id":79,"name":80,"entrytype":9,"csystem":31,"ima_formula":81,"mindat_formula":81,"hmin":41,"hmax":41,"dmeas":11,"dcalc":82,"primary_image_id":83},40361,"Hydrokenomicrolite","(◻,H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)","6.666 ",11879,{"id":85,"name":86,"entrytype":9,"csystem":31,"ima_formula":87,"mindat_formula":87,"hmin":41,"hmax":88,"dmeas":11,"dcalc":89,"primary_image_id":90},42907,"Hydroxycalciomicrolite","Ca\u003Csub>1.5\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH)",6,"6.176",11956,{"id":92,"name":93,"entrytype":9,"csystem":31,"ima_formula":94,"mindat_formula":95,"hmin":41,"hmax":41,"dmeas":96,"dcalc":75,"primary_image_id":97},40360,"Hydroxykenomicrolite","(◻,Na,Sb\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH)","(◻,Na,Sb\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH,Cs)","6.4",11979,{"id":99,"name":100,"entrytype":9,"csystem":31,"ima_formula":11,"mindat_formula":101,"hmin":88,"hmax":11,"dmeas":11,"dcalc":102,"primary_image_id":11},472197,"Kenomicrolite","◻\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>[O\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>]◻","5.599",{"id":104,"name":105,"entrytype":9,"csystem":31,"ima_formula":106,"mindat_formula":107,"hmin":88,"hmax":88,"dmeas":108,"dcalc":11,"primary_image_id":11},40357,"Kenoplumbomicrolite","(Pb,◻)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>[◻,(OH),O]","(Pb,◻)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(◻,OH,O)","7.310",{"id":110,"name":111,"entrytype":9,"csystem":31,"ima_formula":112,"mindat_formula":113,"hmin":41,"hmax":41,"dmeas":114,"dcalc":115,"primary_image_id":11},53881,"Oxybismutomicrolite","(Bi\u003Csub>1.33\u003C\u002Fsub>◻\u003Csub>0.67\u003C\u002Fsub>)Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>O","(Bi\u003Csub>1.33\u003C\u002Fsub>□\u003Csub>0.67\u003C\u002Fsub>)\u003Csub>Σ2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>O","6.98","7.056",{"id":117,"name":118,"entrytype":9,"csystem":31,"ima_formula":119,"mindat_formula":119,"hmin":120,"hmax":120,"dmeas":121,"dcalc":122,"primary_image_id":123},40356,"Oxystannomicrolite","Sn\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>O",7,"8.34","8.21",18464,{"id":125,"name":126,"entrytype":9,"csystem":31,"ima_formula":127,"mindat_formula":127,"hmin":42,"hmax":42,"dmeas":11,"dcalc":128,"primary_image_id":11},40358,"Oxystibiomicrolite","(Sb\u003Csup>3+\u003C\u002Fsup>,Ca)\u003Csub>2\u003C\u002Fsub>Ta\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>O","5.98",[],[],[132],{"id":133,"txt":134,"latitude":135,"longitude":136,"country":137},343091,"Fumal pegmatite, Nazareno, Minas Gerais, Brazil",-21.0688889,-44.5666667,"Brazil",9,[140,145,150,155,159,163,167],{"id":141,"year":142,"html":143,"doi":144},395021,2004,"Černý, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite trend. \u003Ci>American Mineralogist\u003C\u002Fi>,  89 (4) 505-518 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2004-0405'>doi:10.2138\u002Fam-2004-0405\u003C\u002Fa>","10.2138\u002Fam-2004-0405",{"id":146,"year":147,"html":148,"doi":149},64781,2010,"Atencio, D., Andrade, M. B., Christy, A. G., Giere, R., Kartashov, P. M. (2010) The pyrochlore supergroup of minerals: nomenclature. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  48 (3) 673-698 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.48.3.673'>doi:10.3749\u002Fcanmin.48.3.673\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM48_673.pdf' class='refpdflink'>\u003C\u002Fa>","10.3749\u002Fcanmin.48.3.673",{"id":151,"year":152,"html":153,"doi":154},244371,2013,"Christy, A. G., Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  77 (1) 13-20 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2013.077.1.02'>doi:10.1180\u002Fminmag.2013.077.1.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FMM77_13.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.2013.077.1.02",{"id":156,"year":152,"html":157,"doi":158},244477,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) New minerals and nomenclature modifications approved in 2013. CNMNC Newsletter No 18. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  77 (8) 3249-3258 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2013.077.8.15'>doi:10.1180\u002Fminmag.2013.077.8.15\u003C\u002Fa>","10.1180\u002Fminmag.2013.077.8.15",{"id":160,"year":26,"html":161,"doi":162},129916,"Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2020) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 54. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  32 (2) 275-283 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.5194\u002Fejm-32-275-2020'>doi:10.5194\u002Fejm-32-275-2020\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fejm.copernicus.org\u002Farticles\u002F32\u002F275\u002F2020\u002Fejm-32-275-2020.pdf' class='refpdflink'>\u003C\u002Fa>","10.5194\u002Fejm-32-275-2020",{"id":164,"year":26,"html":165,"doi":166},4564560,"Menezes da Silva, Victor H.R., Ávila, Ciro A., Neumann, Reiner, Faulstich, Fabiano R.L., Alves, Felipe E.A., de Almeida, Filipe B., Cidade, Tais Proença, Sousa, Sarah Siqueira da Cruz Guimarães (2020) Oxycalciomicrolite, (Ca,Na)\u003Csub>2\u003C\u002Fsub>(Ta,Nb,Ti)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(O,F), a new member of the microlite group (pyrochlore supergroup) from the Paleoproterozoic São João del Rei Pegmatite Province, Minas Gerais state, Brazil. \u003Ci>Mineralogical Magazine\u003C\u002Fi>, 84 (6) 854-858 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fmgm.2020.74'>doi:10.1180\u002Fmgm.2020.74\u003C\u002Fa>","10.1180\u002Fmgm.2020.74",{"id":168,"year":169,"html":170,"doi":11},16966465,2022,"(2022) Oxycalciomicrolite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FOxycalciomicrolite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[173],{"id":174,"url":175,"label":176,"formula":177,"spacegroup":178,"year":179},10303,"\u002Fcif\u002F10303.cif","Gasperin 1955","Ca2 Ta2 O7","F d -3 m",1955,[181,182],"IMA2019-110","Oxycalciomicroliet",[184,188],{"lang":185,"names":186},"ca",[187],"oxicalciomicrolita",{"lang":189,"names":190},"de",[191,192],"IMA 2019-110","Oxycalciomikrolith","Q92191106",{"history":11,"applications":11}]