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Uytenbogaardtite from Indonesia - RARE.
100% natural stone in 5 kg Big Bag, which we have made it moist for the picture to show how beautiful it is, as he honed or polished would be.
Availability:
In stock
SKU
6663
- Buy 25 for €12.00 each and save 8%
- Buy 100 for €11.00 each and save 15%
Uytenbogaardtite from Indonesia - RARE. is available to buy in increments of 5
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.
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