Erythrite
e lightly striated faces of the translucent deep violet-purple erythrite crystals present in the cavities of this specimen cast a stunning contrast against the matrix. is specimen weighs two pounds and was extracted from the Bou Azer District, Tazenakht, Quarzazate Province, Souss-Massa Draâ Region, Morocco. It measures 4 x 2.5 x 3 inches.