General Information:
Chemical Formula:
(Ru,Os)As2
Composition:
(Molecular Weight = 273.20 gm)
Arsenic 54.85 % As
Ruthenium 27.75 % Ru
Osmium 17.41 % Os
Empirical Formula:
Ru0.75Os0.25As2
IMA Status:
Approved IMA 1979
Physical Properties:
Color:
lead gray.
Diaphaniety:
Opaque
Hardness:
7 - Quartz
Luster:
Metallic
Streak:
grayish black
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