Pyrite and bertrandite - Akchatau, Kazakhstan - 4.0 x 6.0 x 9.0 cm
Mineral: Pyrite and bertrandite
Locality: Akchatau, Shet, Karaganda Region, Kazakhstan
Dimensions: 4.0 x 6.0 x 9.0 cm

Description: Lustrous cubic pyrite crystals replacing pyrrhotite associated with sprays of acicular white bertrandite.