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Brightly Fluorescent Ruby Crystals, Mysore, India

Raspberry red colored, hexagonal crystals of corundum (var. ruby) in a granite-like matrix, from an unidentified mine in Mysore, India. Under long wave UV the ruby crystals fluoresce an intense red color and the matrix shows a pale blue/white response. The size of this specimen is 83 x 55 x 31 mm, and it weighs 130 grams.

The ruby crystals in this specimen from Mysore, India fluoresce a particularly bright and intense red under long wave UV (365 nm).

Same specimen shown under visible light.

The reverse side of the same specimen, shown under long wave UV.

Reverse side, visible light view.

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