Petrovicite

petrovicite

umangite

eskebornite

Images

Formula: Cu₃HgPbBiSe₅
Valence: Cu¹⁺₃Hg²⁺Pb²⁺Bi³⁺Se^2-₅
Selenide, copper, mercury-, lead- and bismuth-bearing mineral
Crystal System: Orthorhombic
Specific gravity: 7.707 calculated
Hardness: 3
Colour: Cream
Environments

Hydrothermal environments

Localities

At the type locality, Petrovice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic, petrovicite forms tabular crystals up to a few tenths of a millimetre in size in hydrothermal dolomite-calcite veins. It is almost completely replaced by umangite and eskebornite (AM 62.594-595).
Associated minerals include berzelianite, eucairite, crookesite, tyrrellite, ferroselite, bukovite, krut'aite, athabascaite, umangite, eskebornite, calcite and dolomite (HOM).

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