Quartz (variety amethyst)

Santa Ana Quarry, Artigas Department  Uruguay (03/2007)

Specimen size: 12.7 × 10.4 × 8.8 cm = 5.00” × 4.09” × 3.46”
Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”