Gypsum Var. Selenite on Quartz from Rio Grande do Sul, Brazil
Heres a very aesthetic specimen of an 6'' gem transparent gypsum var. selenite crystal on druzy quartz amethyst matrix with Glauberite crystals in a acicular spray. The has top quality transparency with glassy luster, with termination showing parallel growth along the crystal edges.
419.2 grams, 7 x 3.5 x 6 inches