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Mineralpedia Details for Godovikovite

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Godovikovite

Godovikovite

Named after Aleksander Aleksandrovich Godovikov, former Russian mineralogist and Director of the Fersman Mineralogical Museum in Moscow, Russia. Localities for Godovikovite include in Russia, and Tajikistan, as well as a few others. It occurs “as reaction crusts around outlets releasing sulfuric acid from burning coal heaps,” and is associated with anhydrous calcium and magnesium sulfates. Godovikovite is soluble in water.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/godovikovite.pdf

Formula
(NH4)Al(SO4)2 
Crystal System
Trigonal 
Luster
Earthy (Dull) 
Color
white, colorless 
Streak
white 
Class
Trigonal - Trapezohedral 
Hardness
WebMineral
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Mindat
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Godovikovite from Kladno, Bohemia, Czech Republic

Godovikovite
            from Kladno, Bohemia, Czech Republic

Yellow soft Godovikovite grains to 4mm.

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