Quartz

Pizzo Meda, Ambri, Quinto, Leventina, Ticino (Tessin)  Switzerland

Specimen size: 16.2 × 7.8 × 10.3 cm = 6.38” × 3.07” × 4.06”
Main crystal size: 3 × 0.7 cm = 1.18” × 0.28”