Treasurite

treasurite

schirmerite

lillianite homologous series group

Images

Formula: Ag₇Pb₆Bi₁₅S₃₀
Sulphosalt, lillianite homologous series group, silver- and bismuth- bearing mineral
Crystal System: Monoclinic
Specific gravity: 7.25 calculated
Colour: Black
Environments

Hydrothermal environments

Localities

At the type locality, the Treasury Vault Mine, Geneva Mining District, Park County, Colorado, USA, treasurite forms an 1 x 1.5 mm aggregate in a sample, formerly thought to be schirmerite, which was subsequently discredited (AM 64.244).
It is found in hydrothermal vein material (HOM).

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