Fluorite

Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±1974)

Specimen size: 14.8 × 11 × 8.4 cm = 5.83” × 4.33” × 3.31”
Main crystal size: 7.3 × 6.3 cm = 2.87” × 2.48”