Formula: Cu10Fe4Sn(As,Sb)S16
Origin of name: for Henri Vincienne (1898-1965), French mineralogist, ENSMP
Crystal system: Tetragonal, pseudocubic
Crystal class: 422
Twinning:
Unit cell: a = 10.697, c = 10.697
Colour: Orange
Diaphaneity: Opaque
Luster: Metallic
Habit: grains to 1 mm, anhedral to subhedral
Hardness: 4.5
Specific gravity: 4.29
Cleavage: None
Tenacity: Brittle
Streak:
Synonyms/varieties:
Comments:
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