Formula: CuAlAsO5
Origin of name: For Vadim Sergeevich Urusov of Moscow State University, Russia.
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 7.314, b = 10.223, c = 5.576, β = 99.79°
Colour: Light green
Diaphaneity: Translucent
Luster: Vitreous
Habit: Platy, microscopic
Hardness: 4
Specific gravity:
Cleavage: 1; {010} perfect
Tenacity: Brittle
Streak: White
Synonyms/varieties:
Comments:
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