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RM484   Native Copper with calcite

Boinás Este, Boinás, Belmonte de Miranda, Asturias, Spain

In this specimen we can observe some groups of native copper crystals, with defined faces and edges, good luster and color. They are disposed on a black layer of pyrolusite and accompanied by some white to translucent calcite flattened rhombohedral crystals. These specimens were collected in a concrete areas of this mine.

Size: 6,0 x 5,3 x 5,0 cm.
Main crystal: 1 x 1 mm.
Found in 2011.