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The mineral was found in rock derived from that formation.","2025-09-15 14:52:50",[],[69,75],{"id":70,"name":71,"entrytype":9,"csystem":38,"ima_formula":72,"mindat_formula":72,"hmin":11,"hmax":11,"dmeas":11,"dcalc":73,"primary_image_id":74},35831,"Voloshinite","Rb(LiAl\u003Csub>1.5\u003C\u002Fsub>◻\u003Csub>0.5\u003C\u002Fsub>)(Al\u003Csub>0.5\u003C\u002Fsub>Si\u003Csub>3.5\u003C\u002Fsub>)O\u003Csub>10\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","2.95",21263,{"id":76,"name":77,"entrytype":9,"csystem":38,"ima_formula":78,"mindat_formula":79,"hmin":80,"hmax":80,"dmeas":11,"dcalc":81,"primary_image_id":11},39552,"Yangzhumingite","KMg\u003Csub>2.5\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","KMg\u003Csub>2.5\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>",3,"2.807",[],[],[85],{"id":86,"txt":87,"latitude":88,"longitude":89,"country":90},20904,"Charlannes, La Bourboule, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France",45.5791447,2.7345443,"France",[92,96,99],{"id":93,"year":29,"html":94,"doi":95},74742,"Robert, J. -L., Maury, R. C. (1979) Natural occurrence of a (Fe, Mn, Mg) tetrasilicic potassium mica. \u003Ci>Contributions to Mineralogy and Petrology\u003C\u002Fi>,  68 (2) 117-123 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00371894'>doi:10.1007\u002Fbf00371894\u003C\u002Fa>","10.1007\u002Fbf00371894",{"id":97,"year":29,"html":98,"doi":11},527356,"Fleischer, Michael, Burns, Roger G., Cabri, Louis J., Chao, George Y., Hogarth, D. D., Pabst, Adolf (1979) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  64 (11-12) 1329-1334 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM64\u002FAM64_1329.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":100,"year":101,"html":102,"doi":11},15949274,1998,"Rieder, M., Cavazzini, G., D’Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardt, G., Guggenheim, S., Koval, P.V., Muller, G., Neiva, A.M.R., Radoslovich, E.W., Robert, J.L., Sassi, F.P., Takeda, H., Weiss, Z., Wones, D.R. (1998) Nomenclature of the micas. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  36 (3) 905-912 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FCM36_905.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[106],"Montdoriet",[108,112,116,120],{"lang":109,"names":110},"ca",[111],"montdorita",{"lang":113,"names":114},"de",[115],"Montdorit",{"lang":117,"names":118},"eu",[119],"Montdorita",{"lang":121,"names":122},"it",[7],"Q3861156",{"history":11,"applications":11}]