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Gold on atacamite

Sierra Gorda District, Atacama Region, Chile

Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
Gold on atacamite
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Article code:  I.A.0140.009
Beautiful specimen with aggregates of dendritic gold crystals perched on green atacamite and deep Prussian blue "Percylite". A very aesthetically combination from Chile.
Measures approximately 80x60x12 mm and weighs 0,066 kilogramme.
The Sierra Gorda mine is located in the northern Region of Chile, approximately 4km from the town of Sierra Gorda.
This copper-molybdenum-gold mine in the Atacama desert produces copper and molybdenum from concentrates.
Gold is recovering from the copper concentrate.
Percylite; A substance originally regarded as a mineral, hydroxychloride of lead and copper, but now thought to be a mixture of boleite, pseudoboleite and/or diaboleite based on analysed material from a few locations.


DO NOT wash specimens from this mine, especially not ultrasonically; the gold and the other minerals are sitting on a thin layer attached  to the matrix with clay.
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