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: 13 × 10.7 × 8.8 cm = 5.12” × 4.21” × 3.46”
Main crystal size: 6.7 × 6 cm = 2.64” × 2.36”