Copper - Rio Tinto Mine (Mountain City Copper Mine), USA - 6.8 x 4.3 x 2.1 cm
Mineral: Copper
Locality: Rio Tinto Mine (Mountain City Copper Mine), Mountain City District, Elko County, Nevada, USA
Dimensions: 6.8 x 4.3 x 2.1 cm

Description: elongated copper crystals