Fluorapatite, Harding Mine, Taos Co., New Mexico

Blue-green fluorapatite in a Harding pegmatite groundmass consisting of quartz and muscovite schist. From the Harding Mine, near Dixon, Taos Co., New Mexico. The fluorapatite shows a bright yellow fluorescent response under short wave UV, and pale yellow under long wave. The size of this piece is 58.8 x 36.5 x 27.1 mm, and it weighs 72 grams.

A former beryllium/lithium mine, the Harding Mine is now owned by the University of New Mexico, and collecting is by permit only.

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