SKU: P_26-7_68
Native copper with chalcocite originating from the Rubtsovsk Mine in Altai Krai, Russia, featuring a vertically branched, lace-like structure of dendritic form. The surface of the copper crystals is covered with a reddish coating of fine aggregates of chalcocite with a submetallic luster, which on the back of the specimen transitions into darker, almost black aggregates. The whole forms a spatial composition with two main branches. Main features: spatial, dendritic form with two vertical branches; saturated red color of chalcocite crusts; location Russia. Condition: Very good.
Price: 46 EUR (199 PLN)
Availability: In stock
Location: Rubtsovsk Mine, Rubtsovsky District, Altai Krai, Russia
Size: 23 x 13 x 40 mm
Weight: 14.8 g
Chemical formula: Cu
Mohs hardness: 2.5-3