Quartz (variety amethyst)

La Bolsa Quarry, La Bolsa area, Artigas Department  Uruguay (03/2009)

Specimen size: 10.5 × 7.9 × 8 cm = 4.13” × 3.11” × 3.15”
Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”