Posted on December 26, 2020December 26, 2020 by aurmin — Leave a commentAuricupride 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 commentInstagram Link to aurminerals