Formula: CuO
Origin of name: for M. Tenore, Italian botanist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: steel-gray to black
Diaphaneity: opaque, thin scales translucent
Luster: metallic
Habit: crystals lath-like, thin, striated, plates, scales, massive, compact to powdery
Hardness: 3.5
Specific gravity: 6.45
Cleavage: 2; zones {011} and {0-11}
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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