Sphalerite with Galena and Fluorite

Naica Mine, Naica, Municipio Saucillo, Chihuahua  Mexico

Specimen size: 6 × 4.9 × 4.2 cm = 2.36” × 1.93” × 1.65”
Main crystal size: 2.6 × 2.6 cm = 1.02” × 1.02”