Fluorite

Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 6.5 × 5 × 4.5 cm = 2.56” × 1.97” × 1.77”
Main crystal size: 1.8 × 1.6 cm = 0.71” × 0.63”