Wikimedi'Òc

Chalcopyrite-pyrrhotite (Late Cretaceous; Cable Mine, ~1.4 miles east of Georgetown, Deer Lodge County, western Montana, USA) 2.jpg - Ser Amantio di Nicolao

Chalcopyrite-pyrrhotite (Late Cretaceous; Cable Mine, ~1.4 miles east of Georgetown, Deer Lodge County, western Montana, USA) 4.jpg - Ser Amantio di Nicolao