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He was a founder of the ontogenesis of minerals as a specific branch of mineralogy, a specialist in general and theoretical aspects of mineralogy, in the synthesis of analogues of minerals, in extraterrestrial mineralogy and in the teaching of mineralogy.","2025-08-11 12:15:10",[],[70,76,80,87],{"id":71,"name":72,"entrytype":9,"csystem":32,"ima_formula":73,"mindat_formula":74,"hmin":11,"hmax":11,"dmeas":31,"dcalc":75,"primary_image_id":11},1934,"Howardevansite","NaCu\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","NaCuFe\u003Csub>2\u003C\u002Fsub>(VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","3.814",{"id":77,"name":78,"entrytype":9,"csystem":32,"ima_formula":79,"mindat_formula":79,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},56032,"Kabalovite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>",{"id":81,"name":82,"entrytype":9,"csystem":32,"ima_formula":83,"mindat_formula":83,"hmin":84,"hmax":84,"dmeas":11,"dcalc":85,"primary_image_id":86},43857,"Koksharovite","CaMg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>",4.5,"3.39",13493,{"id":88,"name":89,"entrytype":9,"csystem":32,"ima_formula":90,"mindat_formula":91,"hmin":84,"hmax":84,"dmeas":11,"dcalc":92,"primary_image_id":11},46494,"Ziminaite","Fe\u003Csup>3+\u003C\u002Fsup>(VO\u003Csub>4\u003C\u002Fsub>)","Fe\u003Csup>3+\u003C\u002Fsup> \u003Csub>6\u003C\u002Fsub> (VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>","3.448",[],[],[96],{"id":97,"txt":98,"latitude":99,"longitude":100,"country":101},20412,"Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia",55.6878429,160.2434941,"Russia",1,[104,109,113],{"id":105,"year":106,"html":107,"doi":108},244368,2013,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) IMA Commission on New Minerals, Nomenclature and Classification. CNMNC Newsletter No. 15. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  77 (1) 1-12 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2013.077.1.01'>doi:10.1180\u002Fminmag.2013.077.1.01\u003C\u002Fa>","10.1180\u002Fminmag.2013.077.1.01",{"id":110,"year":26,"html":111,"doi":112},129355,"Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Kartashov, Pavel M., Polekhovsky, Yury S., Murashko, Mikhail N., Pushcharovsky, Dmitry Y. (2014) Koksharovite, CaMg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>, and grigorievite, Cu\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(VO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>, two new howardevansite-group minerals from volcanic exhalations. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  26 (5) 667-677 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2014\u002F0026-2400'>doi:10.1127\u002F0935-1221\u002F2014\u002F0026-2400\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM26_667.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2014\u002F0026-2400",{"id":114,"year":115,"html":116,"doi":11},16964666,2015,"(2015) Grigorievite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgrigorievite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[119],{"id":120,"url":121,"label":122,"formula":123,"spacegroup":124,"year":26},5724,"\u002Fcif\u002F5724.cif","Pekov 2014","Cu1.99 Mg.64 Ca.2 Fe1.6 Al2.2 Ti.2 (V5.94 P.06) O24","P -1",[126,127],"Grigorieviet","IMA2012-047",[129,133,138,142],{"lang":130,"names":131},"ca",[132],"grigorievita",{"lang":134,"names":135},"de",[136,137],"Grigorievit","IMA 2012-047",{"lang":139,"names":140},"eu",[141],"Grigorievita",{"lang":143,"names":144},"it",[145],"grigorievite","Q19841398",{"history":11,"applications":11}]