Formula: (Pd,Pt,Au)3(Pd,Sn)
Origin of name: for Orest Evgenevich Zvyagintsev, who did geochemical research on the platinum metals.
Crystal system: Cubic/Isometric
Crystal class: 4/m -3 2/m
Twinning:
Unit cell: a = 4.02 Å
Colour: Tin white, creamy white in reflected light
Diaphaneity: Opaque
Luster: Metallic
Habit: Irregular grains, in veinlets, as inclusions in other minerals
Hardness: 4.5
Specific gravity: 13.32
Cleavage: None
Tenacity:
Streak: Black
Synonyms/varieties:
Comments:
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