Fluorite

Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±1970)

Specimen size: 12.4 × 8.7 × 8.2 cm = 4.88” × 3.43” × 3.23”
Main crystal size: 4.2 × 3.6 cm = 1.65” × 1.42”