Formula: ZnCr2O4
Origin of name: from zinc and Chromite
Crystal system: Cubic/Isometric
Crystal class: 4/m -3 2/m
Twinning:
Unit cell: a = 8.352
Colour: Brownish- black
Diaphaneity: Translucent to opaque
Luster: Submetallic
Habit: Euhedral crystals
Hardness: 5.8
Specific gravity:
Cleavage: None
Tenacity:
Streak: Brown
Synonyms/varieties:
Comments: Zn analogue of chromite
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