Formula: Cu14Ag6As7
Origin of name: For J. Kutina, Czech Republic
Crystal system: Cubic
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Silvery gray
Diaphaneity: Opaque
Luster: Metallic
Habit: Massive, fine grained
Hardness: 4.5
Specific gravity: 8.38
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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