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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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Glow Notes - Photography Posts

The posts below are all posts in chronological order.   Blog posts may be narrowed by the five categories listed, or the entire list viewed by returning to the main GNB page above.  Page through posts using "Next Ten" links at the bottom of the page.

April 7, 2015

There is something I call the "feldspar effect". When people first start collecting fluorescent minerals in the field they usually are amazed at the typical fluorescence of your average feldspar. As they gain experience and see more fluorescent minerals they realize th...

February 8, 2015

(Posted March 20, 2017) After a recent recurring discussion on the photography of Esperite, I posted an image I created several years ago. Someone asked how I did it, and because I documented what I did in an email discussion with Mark Cole, I am able to provide an alm...

January 8, 2015

Many minerals exhibit an “afterglow” when the UV light is turned off.  This glow can last for milliseconds or hours depending on the mineral.  Some are very bright while others are barely perceptible.  Examples of minerals that are well-known to often be phosphorescent...

January 7, 2015

Photographing esperite and other difficult fluorescent minerals

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