Formula: Tl6CuAs16S40
Origin of name: For J. Imhof, Swiss collector
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Copper-red
Diaphaneity: Translucent
Luster:
Habit: Aggregates and thin plates, microscopic
Hardness: 1
Specific gravity: 4.39
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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