Parapierrotite

parapierrotite

realgar

avicennite

Images

Formula: TlSb5S8
Sulphosalt, sartorite group, monoclinic paramorph of orthorhombic pierrotite, thallium-bearing mineral
Specific gravity: 5.07
Hardness: 2½ to 3
Streak: Grey
Colour: Black
Environments

Hydrothermal environments

Localities

At the type locality, Allchar, Rožden, Kavadarci Municipality, North Macedonia, parapierrotite is of hydrothermal origin, in cavities in realgar (AM 61.504, Webmin, HOM).

At the Lookout Pass Thallium prospect, Little Valley, Sheeprock Mountains, Tooele county, Utah, USA, parapierrotite is associated with avicennite (HOM).

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