Aleksite

aleksite

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Formula: PbBi₂Te₂S₂
Telluride, bismuth-bearing mineral
Crystal System: Trigonal
Specific gravity: 7.80 calculated
Hardness: 2½
Colour: In polished section, very pale grey with slight greenish tint
Environments

Hydrothermal environments

Localities

At the type locality, the Alekseevskoye Au Mine, Sutamskii Region, Stanovoi Range, Sakha, Russia, aleksite is of hydrothermal origin in sulphide-quartz veins. Associated minerals include galena, gold, altaite, tetradymite, tsumoite, rucklidgeite and quartz (HOM).

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