General Information:
Chemical Formula:
CuPtAsS2
Composition:
(Molecular Weight = 397.68 gm)
Copper 15.98 % Cu
Arsenic 18.84 % As
Platinum 49.05 % Pt
Sulfur 16.13 % S
Empirical Formula:
CuPtAsS2
IMA Status:
Approved IMA 1974
Locality:
Dao and Ma districts, Yanshan, China.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[100] Good, [001] Distinct, [010] Fair
Color:
gray or silver gray.
Density:
7.03
Diaphaniety:
Opaque
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Metallic
More details...