Formula: (Ir,Ru)As2
Origin of name: From composition
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Medium gray in polished section
Diaphaneity: Opaque
Luster: Metallic
Habit: Submicroscopic inclusions
Hardness: 5.5
Specific gravity: 10.9
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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