Covellite, Chalcopyrite
Summitville District (Summit District), Rio Grande Co., Colorado, USA
Cabinet, 10.0 x 6.8 x 2.0 cm
This specimen consists of coarsely crystallized, bladed, intergrown groups of deep blue, covellite, to 3.0 cm across. That in turn is studded with brassy, lustrous, chalcopyrite, to .7 cm across. Large and rich for the locality!!! 10 x 6.8 x 2 cm