A superb thumbnail specimen of gemmy dioptase crystals from the Tsumeb Mine in Namibia. A perfect crystal grouping is perched up on the matrix in pedestal fashion with another larger patch of dioptase crystals on the side. Perfect condition. Mounted in Perky Box. Measures 1 x 0.8 x 0.5 inches (2.5 x 2.2 x 1.3 cm).