Quartz (variety amethyst) with Calcite

Capurru Quarry, Osilo, Sassari Province, Sardinia/Sardegna  Italy

Specimen size: 10.2 × 9.5 × 6.7 cm = 4.02” × 3.74” × 2.64”
Main crystal size: 2.7 × 1.3 cm = 1.06” × 0.51”