Octahedral Fluorite with Calcite

Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico

Specimen size: 5.6 × 5.5 × 4.8 cm = 2.20” × 2.17” × 1.89”
Main crystal size: 2.2 × 2 cm = 0.87” × 0.79”