David K. Joyce

Chalcocite, Pyrite

9.0x7.4x5.8 cm
Silver Bell Mine. Oxide Pit
Pima County
Arizona, USA

Chalcocite, PyriteChalcocite, PyriteChalcocite, Pyrite

Item number: 27733

This rock is impregnated with wisps of black chalcocite. More interestingly, though are the well formed pyrite crystals that are all coated black with a thin coating of chalcocite. Interesting!