5ER97R9: Aerial stalagmitic growth of short crystals, of excellent luster, intense deep violet color, in basalt rock matrix. Artigas is a world classic locality for amethyst. La Bolsa Quarry, La Bolsa area, Artigas Department Uruguay (03/2009) Specimen size: 10.3 × 9.4 × 7.2 cm = 4.06”Main crystal size: 0.7 × 0.7 cm = 0.28”