Mineral: Pyrite after Pyrrhotite, Quartz
Locality: Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Dimensions: 71 x 55 mm
Description: Quite common pseudomorphosis, at list in our Tuscan mines, between the two species. Often we found Pyrrhotite pseudomorphing Pyrite.
All pictures, text, design © Forum FMF 2006-2024