Fluorite

La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 8.6 × 8.4 × 5.6 cm = 3.39” × 3.31” × 2.20”
Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”