Quartz (variety amethyst)

Amarilla Quarry, Catalán Grande area, Artigas Department  Uruguay (03/2014)

Specimen size: 22.5 × 10.3 × 5.4 cm = 8.86” × 4.06” × 2.13”
Main crystal size: 1.2 × 0.9 cm = 0.47” × 0.35”