Quartz

Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias)  Spain

Specimen size: 6.4 × 4.4 × 3.3 cm = 2.52” × 1.73” × 1.30”
Main crystal size: 4.5 × 3 cm = 1.77” × 1.18”