Fluorite with Calcite and Chalcopyrite

San Martín Mine, San Martín, San Martín-Sabinas District, Municipio Sombrerete, Zacatecas  Mexico (01/2005)

Specimen size: 7.4 × 5 × 4.8 cm = 2.91” × 1.97” × 1.89”
Main crystal size: 1.3 × 0.9 cm = 0.51” × 0.35”