Fluorite

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

Specimen size: 17.8 × 11.4 × 11.8 cm = 7.01” × 4.49” × 4.65”
Main crystal size: 2.4 × 2 cm = 0.94” × 0.79”