Polleri Mine, Artigas, Artigas Department, Uruguay A complex slice, with multiple green cores, and well-crytallized violet amethyst to the edges, RHC4244, measuring 6 x 5 x 1/4 in; a large slice with a grey banded agate core, surrounded by quartz and large amethyst crystals at the edges, RHC 4798, measuring 5 1/2 x 5 1/2 x 1/2 in; a slice of oval outline, with grey banded agate core and fine violet amethyst crystals to the exterior, RHC4245, measuring 5 1/2 x 3 1/2 x 1/4 in; and an elongated slice of great translucency, with brown agate core, surrounded by quartz with crystallized amethyst edges, RHC4767, measuring 8 1/4 x 4 1/4 x 1/4 in. (4)