Corundum (Var: Sapphire)

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This is a fine example of the recently found Corundum specimens from Madagascar. I exchanged it directly from Dr. Federico Pezzotta who collected it while doing research there. It features several excellent, sharp, lustrous, prismatic, hexagonal crystals of a bluish-purple color (with slight pink zones) measuring up to 1.8 cm long perched smartly on schist matrix. Some of these specimens show an obvious color change from indoor lighting to sunlight, but I can't see much of a change in this piece.