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Classification of Efremovite ... Type Occurrence of Efremovite ... Physical Properties of Efremovite...
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Dec 28, 2009 ... EdwardsitEdwardsitaEdwardsiteEdwarsitEffenbergerit EffenbergeritaEffenbergeriteEfremovitEfremovitaEfr emoviteEfremovite (of Shcherbakova ...
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Efremovite - Wikipedia, the free encyclopedia
Efremovite is a rare mineral of the chemical formula: (NH 4 ) 2 Mg 2 (SO 4 ) 3 . This anhydrous sulfate occurs as constituent of some of sulfate crusts of burning coal dumps. In air it slow...
en.wikipedia.org/wiki/Efremovite |
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White, massive efremovite. The mineral is hygroscopic and must be stored in a closed box. Ronneburg U deposit, Gera district, Thuringia, Germany.
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efremovite (NH4)2Mg2(SO4)3 and boussin-gaultite; (NH4)2Mg(SO4)2 ·6H2O can exist. While boussingaultite can readily be prepared by crystal-lization from aqueous solutions at ambient temper-ature, efremovite is stable at elevated temperatures.
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Department of Inorganic Technology, Faculty of Chemical and Food Technology, Slovak University of Technology, SK-812 37 Bratislava ... 6H2O (boussingaultite) and (NH4)2Mg2(SO4)3 (efremovite). Boussingaultite is stable up to (107 ± 3)°C while at higher temperatures efremovite crystallizes from aqueous solutions.
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Erthy white Efremovite, probably of which is mostly altered mostly to Boussingaultite by ... More information on Efremovite on Webmineral.com or MinDat.org ...
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named efremovite (Am. Mineral. 76, p.299, l99l) and godovikovite (Am. Mineral. 75241-242, 1990). ... ciated with efremovite is an anisotropic substance cor- ...
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... Blodite Thenardite Epsomite Sylvite Efremovite Langbeinite Lecontite NH4NO3 (NH4)ZS04 (NH4)ZCa(S04)2 H20 NH4Cl NaN03 KN03 CaS03 0.5Hz0 5) KMg(S04)Cl, ...
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... Edenite Edgarbaileyite Edgarite Edingtonite Edoylerite Effenbergerite Efremovite Eggletonite Eglestonite Ehrleite Eifelite Eitelite Ekanite Ekaterinite ...
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