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These normally green Fluorite crystals are being illuminated with long wave UV light which causes them to brightly fluoresce blue.
The same crystals indoors: http://www.flickr.com/photos/orbitaljoe/11699240/in/set-287068/
© 2006 (see title) This photo can not be reproduced without permission unless otherwise stated above. Click on photo for gallery
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| PBee2k | 03-May-2005 20:11 | |