Formula: Cu7Te5
Origin of name: for T. Rickard, American mining engineer
Crystal system: orthorhombic, pseudotetragonal
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: purple-red
Diaphaneity: opaque
Luster: metallic, rapidly dulls on exposure
Habit: massive, compact
Hardness: 3.5
Specific gravity: 7.53
Cleavage: none
Tenacity:
Streak: reddish
Synonyms/varieties:
Comments:
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