Minerals identify

Know how to recognize them

Uytenbogaardtite

Sulfide mineral

The mineral uytenbogaardtite, Ag3AuS2, is a soft, greyish white sulfide 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, Bengkulu.

It is named after the Dutch mineralogist Willem Uytenbogaardt (1918–2012), Professor of Geology, Technical University, Delft , The Netherlands, prominent ore microscopist.

Identification

Color of mineral

Grey
White

Mohs scale ( mineral hardness )

2

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Trigonal