Calcite - Palmarejo Mine, Mexico - 7.5 x 6.3 x 5.7 cm
Mineral: Calcite
Locality: Palmarejo Mine, Palmarejo, Municipio Chinipas, Chihuahua, Mexico
Dimensions: 7.5 x 6.3 x 5.7 cm

Description: Twin crystal with both generations of calcite. The second generation appears to solely grow on the top of the crystal.