Formula: CuFe2S3
Origin of name: From isometric (cubic) crystal system and cubanite
Crystal system: Cubic
Crystal class: 4/m -3 2/m
Twinning:
Unit cell:
Colour: Bronze
Diaphaneity: Opaque
Luster: Metallic
Habit: Grains to 400 µm, euhedral cubo-octahedron
Hardness: 3.5
Specific gravity:
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments: Dimorphous with cubanite
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