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Nature’s Rainbows is a non-commercial web site maintained entirely by volunteer hobbyists and contributors.  Our mission is to provide information about UV and luminescence, premium fluorescent mineral photos, and a fluorescent mineral database for the enjoyment of FL mineral collectors around the world.  Information on this web site is covered under a Creative Commons License.


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Eucryptite, Parker Mountain Mine, Strattford, New Hampshire

22.3.2017

Grey-colored specimen containing a high percent content of eucryptite, from the Parker Mountain Mine, Parker Mountain, Strafford, New Hampshire.  The eucryptite shows a beautiful, rich, red fluorescence under short wave UV, but is poorly fluorescent under other wavelengths.  The Parker Mountain Mine is located within a granite pegmatite occurrence that was mined for mica and feldspar between the 1880s and 1959.  The size of this specimen is 60 x 48 x 31 mm, and it weighs 114 grams.

 Short Wave UV (254nm)

 Visible Light

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