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Also as pseudomorphs after murmanite.","Vitreous","White","Colourless to yellow to dark orange.",[55,56,57,58],"colorless","yellow","orange","white",[58],"Imperfect","Biaxial","+","1.683","1.687","1.775",1.683,1.775,"r > v or r \u003C v","Named kuzmenkovite in honor of Maria Vasilyevna Kuzmenko (Мария Васильевна Кузьменко) (1918–1995), Russian geochemist, mineralogist, and researcher of the Lovozero Massif.  The -Mn suffix was appended in 2000 by the IMA.","2025-08-11 12:14:28",[],[73,79,86,94,100,107,113,120],{"id":74,"name":75,"entrytype":9,"csystem":39,"ima_formula":76,"mindat_formula":77,"hmin":11,"hmax":11,"dmeas":78,"dcalc":11,"primary_image_id":11},35892,"Burovaite-Ca","(Na,K)\u003Csub>4\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>(Ti,Nb)\u003Csub>8\u003C\u002Fsub>[Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>]\u003Csub>4\u003C\u002Fsub>(OH,O)\u003Csub>8\u003C\u002Fsub> · 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6H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>(Nb,Ti)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.93",{"id":101,"name":102,"entrytype":9,"csystem":39,"ima_formula":103,"mindat_formula":104,"hmin":40,"hmax":40,"dmeas":105,"dcalc":106,"primary_image_id":11},28945,"Gjerdingenite-Na","K\u003Csub>2\u003C\u002Fsub>Na(Nb,Ti)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,O)\u003Csub>4\u003C\u002Fsub> · 5H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Na(Nb,Ti)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,O)\u003Csub>4\u003C\u002Fsub>·5H\u003Csub>2\u003C\u002Fsub>O","2.71","2.69",{"id":108,"name":109,"entrytype":9,"csystem":39,"ima_formula":110,"mindat_formula":111,"hmin":40,"hmax":40,"dmeas":105,"dcalc":112,"primary_image_id":11},11159,"Karupmøllerite-Ca","(Na,Ca,K)\u003Csub>2\u003C\u002Fsub>Ca(Nb,Ti)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>4\u003C\u002Fsub> · 7H\u003Csub>2\u003C\u002Fsub>O","(Na,Ca,K)\u003Csub>2\u003C\u002Fsub>Ca(Nb,Ti)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>4\u003C\u002Fsub>·7H\u003Csub>2\u003C\u002Fsub>O","2.75",{"id":114,"name":115,"entrytype":9,"csystem":39,"ima_formula":116,"mindat_formula":117,"hmin":40,"hmax":40,"dmeas":118,"dcalc":119,"primary_image_id":11},29091,"Kuzmenkoite-Zn","K\u003Csub>2\u003C\u002Fsub>ZnTi\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6-8H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Zn(Ti,Nb)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,O)\u003Csub>4\u003C\u002Fsub>·6-8H\u003Csub>2\u003C\u002Fsub>O","2.78","2.98",{"id":121,"name":122,"entrytype":9,"csystem":39,"ima_formula":123,"mindat_formula":124,"hmin":40,"hmax":40,"dmeas":125,"dcalc":126,"primary_image_id":11},26521,"Lepkhenelmite-Zn","Ba\u003Csub>2\u003C\u002Fsub>Zn(Ti,Nb)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>4\u003C\u002Fsub> · 7H\u003Csub>2\u003C\u002Fsub>O","(Ba,K)\u003Csub>2\u003C\u002Fsub>Zn(Ti,Nb)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>4\u003C\u002Fsub>·7H\u003Csub>2\u003C\u002Fsub>O","2.96","3.07",[],[],[130],{"id":131,"txt":132,"latitude":133,"longitude":134,"country":135},2693,"Selsurt Mountain, Lovozersky District, Murmansk Oblast, Russia",67.9117591,34.8011965,"Russia",4,[138,141,145,149,154,158],{"id":139,"year":33,"html":140,"doi":11},16898041,"Chukanov, N. V., Pekov, I. V., Golovina, N. I., Zadov, A. E., Nedel'ko, V. V. (1999) Kuzmenkoite, K\u003Csub>2\u003C\u002Fsub>(Mn,Fe)(Ti,Nb)\u003Csub>4\u003C\u002Fsub>[Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·5H\u003Csub>2\u003C\u002Fsub>O - a new mineral. \u003Ci>Zapiski Vserossijskogo Mineralogicheskogo Obshchestva\u003C\u002Fi>,  128 (4) 42-50 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FZVMO128N4_42.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":142,"year":143,"html":144,"doi":11},16124193,2000,"Jambor, J.L., Grew, E.S., Roberts, A.C. (2000) New mineral names. American Mineralogist: 85: 1561-1565.",{"id":146,"year":143,"html":147,"doi":148},609836,"Rastsvetaeva, R. K., Chukanov, N. V., Pekov, I. V. (2000) Refined crystal structure of kuzmenkoite. \u003Ci>Crystallography Reports\u003C\u002Fi>,  45 (5) 759-761 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1134\u002F1.1312915'>doi:10.1134\u002F1.1312915\u003C\u002Fa>","10.1134\u002F1.1312915",{"id":150,"year":151,"html":152,"doi":153},128077,2002,"Chukanov, Nikita V., Pekov, Igor V., Khomyakov, Alexander P. (2002) Recommended nomenclature for labuntsovite-group minerals. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  14 (1) 165-173 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2002\u002F0014-0165'>doi:10.1127\u002F0935-1221\u002F2002\u002F0014-0165\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM14_165.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2002\u002F0014-0165",{"id":155,"year":156,"html":157,"doi":11},17631621,2007,"(2007) New Minerals From Former Soviet Union Countries 1998-2006. \u003Ci>Mineralogical Almanac\u003C\u002Fi> Vol. 11",{"id":159,"year":160,"html":161,"doi":11},16965453,2021,"(2021) Kuzmenkoite-Mn. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FKuzmenkoite-Mn.pdf' class='refpdflink'>\u003C\u002Fa>",[163],{"id":164,"source_url":165,"license_code":166,"credit_html":167,"title":168,"description":169,"author":170,"original_width":171,"original_height":172},13004,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865779","CC BY-SA 3.0","Christian Rewitzer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865779\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kuzmenkoite-Mn-169358.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKuzmenkoite-Mn\" class=\"extiw\" title=\"en:Kuzmenkoite-Mn\">Kuzmenkoite-Mn\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Flora Mt, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLovozero_Massif\" class=\"extiw\" title=\"en:Lovozero Massif\">Lovozero Massif\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKola_Peninsula\" class=\"extiw\" title=\"en:Kola Peninsula\">Kola Peninsula\u003C\u002Fa>, Murmanskaja Oblast', \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Region\" class=\"extiw\" title=\"en:Northern Region\">Northern Region\u003C\u002Fa>, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2693.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Picture width 1.5 mm. Collection and photograph Christian Rewitzer\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Christian Rewitzer",903,1024,[174],{"id":175,"url":176,"label":177,"formula":178,"spacegroup":179,"year":143},7369,"\u002Fcif\u002F7369.cif","Rastsvetaeva 2000","K1.63 Ba.03 Na.18 Ti3.4 Nb.34 Fe.4 Mn.56 Si8 O32.25 H11.85","C 1 m 1",[181,182,183],"Kuzmenkoiet-Mn","Kuzmenkoit","Kuzmenkoita",[185,189,194,198],{"lang":186,"names":187},"ca",[188],"kuzmenkoïta-Mn",{"lang":190,"names":191},"de",[192,193],"IMA 1998-058","Kuzmenkoit-Mn",{"lang":195,"names":196},"eu",[197],"Kuzmenkoita-Mn",{"lang":199,"names":200},"it",[201],"kuzmenkoite-Mn","Q3817590",{"history":11,"applications":11}]