2020 - Gold and platinum minerals

Posted on December 26, 2020December 26, 2020 by aurmin — Leave a comment

Auricupride

Mineral auricupride (Cu₃Au)

Natural copper and gold alloy

Bonneval-sur-Arc, Savoie, France

EDS spectrum of auricupride

Posted on December 26, 2020December 26, 2020 by aurmin — Leave a comment

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Minerals of gold and platinum