Description: Sample 3: Possible Bravoite, USA Result: Pyrite The grey color of some surfaces that gave it the "funny" name of Bravoite it is just a patina of surface alteration. It is a Pyrite slightly altered without traces of Ni or Cu, so it is nor Chalcocite. Only Zn was detected as traces of heavy metals.

All pictures, text, design © Forum FMF 2006-2025