Calcite with Pyrite on Amethyst from San Eugenio, Artigas Dept., Uruguay

From San Eugenio, Artigas Dept., Uruguay

Large 5'' scalenohedral crystal of calcite with pyrite on amethyst matrix accented by isolated cluster of colorless quartz. The calcite crystal shows fully terminated faces composed of small micro etched faces, with a rich transparent golden yellow core. 

Weight: 3.3 lbs, Dimensions: 8 x 4 x 8 inches