General Information:
Chemical Formula:
Pd8As3
Composition:
(Molecular Weight = 1,076.12 gm)
Arsenic 20.89 % As
Palladium 79.11 % Pd
Empirical Formula:
Pd8As3
Environment:
SM reef in the Stillwater layered basic intrusion. SM reef is a cummulate concentration of platinum group metals included in pyrrhotite crystals.
IMA Status:
Approved IMA 1975
Locality:
Stillwater Complex, Nye County, Montana, USA.
Name Origin:
Named after its locality.
Physical Properties:
Color:
gray.
Density:
10.4
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Metallic
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