Formula: PbHgCu3BiSe5
Origin of name: after locality Petrovice deposits, Moravia, Czech Republic
Crystal system: orthorhombic
Crystal class: mm2 or 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: cream (polished section)
Diaphaneity: opaque
Luster: metallic
Habit: crystals tabular, to a few tenths of a mm
Hardness: about 3
Specific gravity: 7.07
Cleavage: 1; poor
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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