The mineral uytenbogaardtite, Ag3AuS2, is a soft, greyish white sulfide mineral, occurring in hydrothermal Au-Ag-quartz veins. It occurs as tiny crystals, visible only with a microscope. It has a metallic luster and a hardness on the Mohs scale of 2 (gypsum). It forms, together with petzite (Ag3AuTe2) and fischesserite (Ag3AuSe2) the uytenbogaardtite group. The type locality is Tambang Sawah, Bengkulu district, Sumatra island, Indonesia. It is named after the Dutch mineralogist Willem Uytenbogaardt (1918–2012), Professor of Geology, Technical University, Delft, The Netherlands, prominent ore microscopist.
Hardness:
2
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Properties
Characteristics
Common Questions
General Info About Uytenbogaardtite
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Physical Properties of Uytenbogaardtite
Colors
Greyish-white
Hardness
2 , Extremely soft
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Chemical Properties of Uytenbogaardtite
Formula
Ag3AuS2
Elements listed
Ag, Au, S
Common Impurities
Cu,Se,Te
Characteristics of Uytenbogaardtite
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