Uytenbogaardtite

General Information:
 Chemical Formula:
Ag3AuS2
 Composition:
(Molecular Weight = 584.70 gm)
Silver 55.35 % Ag
Gold 33.69 % Au
Sulfur 10.97 % S 
 Empirical Formula:
Ag3AuS2
 Environment:
Hydrothermal Au-Ag-quartz veins.
 IMA Status:
Approved IMA 1978
 Locality:
Tambang Sawah, Benkoelen district, Indonesia.
 Name Origin:
Named for Willem Uytenbogaardt (1818-), Dutch mineralogist.
Physical Properties:
 Color:
gray white.
 Density:
8.45
 Diaphaniety:
Opaque
 Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
 Hardness:
2 - Gypsum
 Luster:
Metallic
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