Quartz (variety amethyst) with Calcite

Capurru Quarry, Osilo, Sassari Province, Sardinia/Sardegna  Italy (01/05/2008)

Specimen size: 5.5 × 3.9 × 2.8 cm = 2.17” × 1.54” × 1.10”
Main crystal size: 1.6 × 0.6 cm = 0.63” × 0.24”