Fluorite (octahedral)

Navidad Mine, Abasolo, Rodeo, Municipio de Rodeo, Durango  Mexico

Specimen size: 15.8 × 13.5 × 5.7 cm = 6.22” × 5.31” × 2.24”
Main crystal size: 4.8 × 4.2 cm = 1.89” × 1.65”