Arsenolamprite

native element

hydrothermal

Formula: As Native element, dimorph of arsenic
Specific gravity: 5.3 to 5.5
Hardness: 2
Streak: Black
Colour: Grey-white, alters to a dull black coating
Environments:

Hydrothermal environments

Arsenolamprite occurs in carbonate rocks and calcite veins, associated with arsenic, bismuth, silver, sternbergite, emplectite, safflorite, löllingite, pyrite, galena, orpiment, realgar and calcite (HOM).

Common impurities: Bi

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