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Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 61123, 61124, 62013.","The iron analogue of manaksite.","Named for its chemical composition (Fe, Na, K, Si).","2025-08-11 12:14:20",[],[78,85,90,98],{"id":79,"name":80,"entrytype":9,"csystem":39,"ima_formula":81,"mindat_formula":82,"hmin":49,"hmax":49,"dmeas":83,"dcalc":84,"primary_image_id":11},45972,"Calcinaksite","KNaCa(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>) · H\u003Csub>2\u003C\u002Fsub>O","KNaCa(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)·H\u003Csub>2\u003C\u002Fsub>O","2.62","2.623",{"id":86,"name":87,"entrytype":9,"csystem":39,"ima_formula":11,"mindat_formula":88,"hmin":50,"hmax":11,"dmeas":89,"dcalc":89,"primary_image_id":11},470827,"Enricofrancoite","KNaCaSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>","2.63",{"id":91,"name":92,"entrytype":9,"csystem":39,"ima_formula":93,"mindat_formula":93,"hmin":49,"hmax":94,"dmeas":95,"dcalc":96,"primary_image_id":97},2422,"Litidionite","KNaCuSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>",6,"2.75","2.85",14626,{"id":99,"name":100,"entrytype":9,"csystem":39,"ima_formula":101,"mindat_formula":102,"hmin":49,"hmax":49,"dmeas":103,"dcalc":104,"primary_image_id":105},2558,"Manaksite","KNaMn\u003Csup>2+\u003C\u002Fsup>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>","KNaMnSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>","2.73","2.71",5429,[],[],[109],{"id":110,"txt":111,"latitude":112,"longitude":113,"country":114},21751,"Material'naya Adit, Yukspor Mountain, Murmansk Oblast, Russia",67.6405867,33.7424469,"Russia",7,[117,120,123,127,132,136,140],{"id":118,"year":11,"html":119,"doi":11},16109054,"Doklady Akademii Nauk SSSR: 329: 212-215.",{"id":121,"year":31,"html":122,"doi":11},15962749,"Dorfman, M.D., Rogachev, D.D., Goroshchenko, Z.I., Mokretsova, A.V. (1959) Fenaksite - a new mineral. Trudy Mineralogicheskogo Muzeya Akademiya Nauk SSSR, 9, 152-157.",{"id":124,"year":125,"html":126,"doi":11},523340,1960,"Fleischer, M. F. (1960) New Mineral Names; New data; Redefinition of mineral. \u003Ci>American Mineralogist\u003C\u002Fi>,  45 (1-2). 252-258 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM45\u002FAM45_252.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":128,"year":129,"html":130,"doi":131},207720,1977,"Kawamura, K., Kawahara, A. (1977) The crystal structure of synthetic copper sodium silicate: CuNa2Si4O10. \u003Ci>Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\u003C\u002Fi>,  33 (4) 1071-1075 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0567740877005391'>doi:10.1107\u002Fs0567740877005391\u003C\u002Fa>","10.1107\u002Fs0567740877005391",{"id":133,"year":134,"html":135,"doi":11},16964223,2001,"(2001) Fenaksite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffenaksite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":137,"year":138,"html":139,"doi":11},16109056,2004,"Rozhdestvenskaya, I.V., Bannova, I.I., Nikishova, L.V., Soboleva, T.V. (2004) The crystal structure of fenaksite K2Na2Fe2Si8O20. Doklady Akademii Nauk, 398, 524-528.",{"id":141,"year":138,"html":142,"doi":11},16109057,"Rozhdestvenskaya, I.V., Bannova, I.I., Nikishova, L.V., Soboleva, T.V. (2004) The crystal structure of fenaksite K2Na2Fe2Si8O20. Transactions (Doklady) of the Russian Academy of Sciences\u002FEarth Science Section, 398, 1029-1033.",[],[145,152,156],{"id":146,"url":147,"label":148,"formula":149,"spacegroup":150,"year":151},4476,"\u002Fcif\u002F4476.cif","Brandao 2009","K Na Fe Si4 O10","P -1",2009,{"id":153,"url":154,"label":155,"formula":149,"spacegroup":150,"year":138},4477,"\u002Fcif\u002F4477.cif","Rozhdestvenskaya 2004",{"id":157,"url":158,"label":159,"formula":149,"spacegroup":150,"year":160},4478,"\u002Fcif\u002F4478.cif","Golovachev 1971",1971,[162,163,164,165,166],"Fenaksiet","Phenaksit","Phenaksite","Phenaxit","Phenaxite",[168,172,176,180,183],{"lang":169,"names":170},"ca",[171],"fenaksita",{"lang":173,"names":174},"de",[175],"Fenaksit",{"lang":177,"names":178},"eu",[179,7],"Fenaksita",{"lang":181,"names":182},"it",[7],{"lang":184,"names":185},"uk",[186],"Фенаксит","Q3742405",{"history":11,"applications":11}]