Pyrite (variety Bravoite)   Colorado.  Ex. Dr. Steve Chamberlain Collection.  Wards Mineral piece with old tag.  5 x 3 cm display face on this metallic specimen is fully crystallized.  Appears to be all pyritohedrons of moderate luster. Bravoite is discredited as a name but once represented pyrite with gray coatings and is specifically known from this locality.  Interesting history and provenance for this damage-free specimen.  50$