Red Fluorescent Spinel, Luc Yen, Vietnam

Raspberry red colored, octahedral, spinel crystals in a white marble matrix. The spinel fluoresces deep red under long wave UV, but is not fluorescent under short wave. The marble matrix is also fluorescent under long wave and short wave UV, and shows a moderate blue/white response. This aesthetic specimen measures 66 x 64 x 41 mm, and weighs 194 grams.

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