Formula: CaVOSiO4
Origin of name: from vanadium and malayite
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 6.526, b = 8.691, c = 7.032, β = 113.146°
Colour: Deep red
Diaphaneity: Transparent
Luster: Vitreous to adamantine
Habit: Isolated subhedral grains to 0.4 mm
Hardness: 6
Specific gravity: 3.60
Cleavage: 1; {110} good
Tenacity: Brittle
Streak: Red
Synonyms/varieties:
Comments: V analogue of malayite
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