Quartz, Ankerite
Cani Mine, Vanzone con San Carlo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Quartz crystal group, measuring 100 x 70 x 50 mm, with small ankerite (or ferroan dolomite) crystals from the gold mine known as Miniera dei Cani, Anzasca Valley.
Photo and collection Mauro Savia
© Mauro Savia