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Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 64710, 64711.","Named in 1962 by Vasilii Ivanovich Gerasimovsky in honor of Mstislav Vsevolodovich Keldysh [February 10 (old calendar January 28), 1911 Riga, Russia - June 24, 1978], Russian mathematician and father of the first Earth space program. Keldysh proposed and developed the first orbiting satellite, Sputnik, and was given the epithet \"Chief Theoretician\" by his colleagues in the Russian Space Program.","2025-12-12 14:03:50",[],[],[],[82],{"id":83,"name":84,"entrytype":9,"csystem":37,"ima_formula":11,"mindat_formula":85,"hmin":49,"hmax":11,"dmeas":86,"dcalc":87,"primary_image_id":11},471974,"Brunovskyite","NaZrSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH) ","3.44","3.46",[89],{"id":90,"txt":91,"latitude":92,"longitude":93,"country":94},2692,"Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia",67.8645481,34.5124316,"Russia",8,[97,100,103,106,110,114,118,122,125],{"id":98,"year":11,"html":99,"doi":11},16113738,"Trudy Mineralogicheskogo Muzeya Academii Nauk SSSR: 25: 90-95.",{"id":101,"year":28,"html":102,"doi":11},523789,"Fleischer, Michael; Mandarino, J. A.; Servos, Kurt; Toulmin, Priestley, III (1962) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  47 (9-10). 1216-1223 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM47\u002FAM47_1216.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":104,"year":28,"html":105,"doi":11},16113739,"Gerasimovskii, V.I. (1962) Keldyshite, a new mineral. Doklady Akademii Nauk SSSR, l42, 916-9l8. (in Russian)",{"id":107,"year":108,"html":109,"doi":11},16113741,1969,"Khomyakov, A.P., Kazakova, M.E., Voronkov, A.A. (1969) New data on keldyshite. Doklady Akademii Nauk SSSR, 189, 166-168.",{"id":111,"year":112,"html":113,"doi":11},525422,1970,"Fleischer, Michael (1970) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  55 (5-6) 1067-1073 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM55\u002FAM55_1067.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":115,"year":116,"html":117,"doi":11},525910,1972,"Fleischer, Michael (1972) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  57 (7-8) 1311-1317 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM57\u002FAM57_1311.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":119,"year":120,"html":121,"doi":11},16113744,1978,"Khalikov, A.D., Khomyakov, A.P., Makhmudov, S.A. (1978) Crystal structure of keldyshite NaZr[Si2O6OH]. Soviet Physics Doklady Akademii Nauk SSSR, 238, 573-575.",{"id":123,"year":120,"html":124,"doi":11},16113745,"Soviet Physics – Doklady (1978): 23: 8-10.",{"id":126,"year":127,"html":128,"doi":11},16965253,2001,"(2001) Keldyshite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkeldyshite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[131],{"id":132,"url":133,"label":134,"formula":135,"spacegroup":136,"year":120},7091,"\u002Fcif\u002F7091.cif","Khalikov 1978","Na Zr Si2 O7","P -1",[138,139],"IMA1975-034","Keldyshiet",[141,145,150,154,157,161],{"lang":142,"names":143},"ca",[144],"keldyshita",{"lang":146,"names":147},"de",[148,149],"IMA 1975-034","Keldyshit",{"lang":151,"names":152},"eu",[153],"Keldyshita",{"lang":155,"names":156},"it",[7],{"lang":158,"names":159},"ja",[160],"ケルディシャイト",{"lang":162,"names":163},"ru",[164],"Келдышит","Q3814363",{"history":11,"applications":11}]