Collecting Fluorescent Minerals - The Basics, Where to Find Them, and How to Collect Them
Rock collecting is a pretty easy hobby to get into - buy a hammer, find a pile of rocks, and you're rock collecting.Read more
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Greenland sodalite with interesting patterning. The LW fluorescence is knock-your-socks-off bright. Green areas are likely natrolite green. There is some magenta fluorescing feldspar.
This material is slightly tenebrescent. Upon exposure to SW UV the sodalite on this piece changes color to a light purple - in seconds! Expose it to a bright white light (UV free halogen or LED spotlight held directly on the rock) and it reverts back to its natural color almost immediately.