Minerals identify

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Letovicite

Sulfate mineral

Letovicite (/lɛtoʊˈvɪsaɪt/ sulfate mineral with composition (NH4)3H(SO4)2 (IUPAC: triammonium sulfate hydrogensulfate, Nickel–Strunz classification 07.AD.20).

It is a rare colorless or white monoclinic secondary mineral formed during the burning of waste coal heaps and as a deposit in hot springs. It was first described from the Letovice in 1932. Geologic occurrences also include Austria , Italy, Tajikistan.

Identification

Color of mineral

White

Mohs scale ( mineral hardness )

1
2

Crystal ( diaphaneity )

Monoclinic