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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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Sodalite, var. Hackmanite, Davis Quarry, Bancroft, Canada

18.3.2017

This blocky specimen of hackmanite is from the Davis Quarry, Bancroft, Ontario, Canada.  Under long wave UV it shows a bright, saturated, orange fluorescent response.  It is also moderately fluorescent under short wave UV, responding with a dimmer magenta/blue glow.  There is also an unidentified cream-colored mineral present as patches on one surface of this specimen, possibly aragonite, that fluoresces blue/white under both wavelengths.  The size of this specimen is 8.3 x 3.4 x 2.5 cm, and it weighs 97 grams.

Click on the above images for a larger view and description of UV wavelength.

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