Quartz (variety amethyst), Calcite

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

Specimen size: 4.2 × 3.3 × 1.7  cm = 1.65” × 1.30” × 0.67”
Main crystal size: 0.8 × 0.2 cm = 0.31” × 0.08”