Quartz (variety amethyst) doubly terminated

Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (01-06/2002)

Specimen size: 13 × 7.8 × 6 cm = 5.12” × 3.07” × 2.36”
Main crystal size: 12.8 × 6.9 cm = 5.04” × 2.72”