Calcite - San Giovanni Mine, Italy - 9.3 x 6.1 x 5.5 cm
Mineral: Calcite
Locality: San Giovanni Mine, Punta della Torre, Iglesias, Sud Sardegna Province, Sardinia/Sardegna, Italy
Dimensions: 9.3 x 6.1 x 5.5 cm

Description: Multiple white scalenohedral calcite crystals on a brown barite or ankerite matrix.