Formula: C24H12
Origin of name: After locality; Trans-Carpathian Mts., Russia
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Black
Diaphaneity: Opaque
Luster: Metallic
Habit: Crystals tabular, elongated or equant; minute grains; masses
Hardness: > 1
Specific gravity: 4.56
Cleavage: 1; {001} perfect micaceous
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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