Formula: (Fe,Pd)3(Ge,Fe)1-xS4
Origin of name: after locality Polkovice mine, Poland
Crystal system: cubic
Crystal class: unknown
Twinning:
Unit cell:
Colour: brownish gray
Diaphaneity: opaque
Luster: metallic
Habit: massive
Hardness: 3
Specific gravity: 6.62
Cleavage: none
Tenacity:
Streak: dark gray
Synonyms/varieties:
Comments: series with morozeviczite
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