Fluorite with Pyrite

La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 12.8 × 9.9 × 7.8 cm = 5.04” × 3.90” × 3.07”
Main crystal size: 3.7 × 3.4 cm = 1.46” × 1.34”