Covellite - Leonard Mine, USA - 5,0 x 3,0 x 7,5 cm

Mineral: Covellite
Locality: Leonard Mine, Butte, Butte District, Silver Bow County, Montana, USA
Dimensions: 5,0 x 3,0 x 7,5 cm

Description: Main crystal size : 2,4 cm Group of thick flat hexagonal and well separated crystals, with a dark blue iridescent color, with small chalcopyrite crystals at the back MIM number 1629 Photographer : Augustin de Valence (Ainu)