Formula: CuBiS2
Origin of name: From Greek for entwined
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning: Observed in polished section
Unit cell: a = 6.137 Ǻ, b = 14.54 Ǻ, c = 3.898 Ǻ
Colour: Gray to tin-white
Diaphaneity:
Luster: Metallic
Habit: Crystals short prismatic, flattened, striated vertically
Hardness: 2
Specific gravity: 6.3 to 6.5
Cleavage: 2; {010} perfect, {001} imperfect
Tenacity: Conchoidal to uneven; brittle
Streak:
Synonyms/varieties:
Comments:
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