Quartz, Calcite - San Antonio Mine (San Antonio el Grande Mine), Mexico - 7.6 x 7.0 cm
Mineral: Quartz, Calcite
Locality: San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico
Dimensions: 7.6 x 7.0 cm