| | Journal (article/letter/editorial) | Kmâkamaishilite, Mtâmagnetite, Qâquartz,Tcâtalc, PtâPtRhTrâtridymite strip heater (artefact), Pyâpyrite, Sdâsiderite...polytypes), 1-structured SiO2. The x scale is Trâtridymite in Ă
, the y scaleânumber of WâwĂŒstite, Whâwhitlockite...500â600 ⊠C. At 440 ⊠C, questionable traces of tridymite (with probable quartz coincidence at d = 4.32)...the 560 ⊠C graph may have been due either to tridymite or a muscovitic mica. Signatures at 2.543 Ă
and...the silica species, with possible admixture of tridymite. Main reflections Minerals 2020, 10, 586 9 | | | Journal (article/letter/editorial) | University, Engelhardt Astronomical Observatory, Russia, Kazan, Kremlyovskaya st., 18. E-mail: Alexey-andreev93@mail...University, Engelhardt Astronomical Observatory, Russia, Kazan, Kremlyovskaya st., 18. E-mail: Alexey-andreev93@mail...Institute of Geology and Petroleum Technologies, Russia, Kazan, Kremlyevskaya st., 18. E-mail: Rafael.Sungatullin@kpfu...Technologies, Russia, Kazan, Kremlyevskaya st., 18. 2 Geophysical observatory «Borok» IPE RAS, Russia, Yaroslavl...Mineralogy SB RAS, 3 Koptyuga Ave, Novosibirsk, 630090, Russia (ibazhan@gmail.com); 2Novosibirsk State University |
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