Quartz v. Amethyst after Calcite, Artigas, Uruguay, Eric Peterson Collection, Small Cabinet 4.0 x 5.5 x 7.0 cm, $250. Online 8/26
NSMW11455
Rich purple cluster of amethyst epimorph after prismatic calcite. Complete on all sides and in perfect shape. Mined c. 1980s. Eric Petersen Collection.