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Large and bright piece of fluorescent sodalite from Greenland. The bluish area displays some interesting phosphorescence – we don’t usually see this in pieces with Greenland sodalite. Very unique stuff.This piece is a very bright piece under shortwave, midwave and longwave UV light. The longwave fluorescence is knock-your-socks-off bright. The blue could likely be analcime.
This sodalite on this specimen has some tenebrescence as shown in the animated GIF below.
First, an animation showing the difference between the UV flashlight we recommend (365nm filtered UV flashlight) versus unfiltered 395nm UV flashlights we see many folks carrying around at shows. So. much. visible purple light. We selected a bunch of rocks as a demonstration. Took pictures of them under his flashlight without the filter and then with the filter.
A major component of rock collecting (for us) is simply getting out in nature. A buddy dragged us out to a very remote area here in middle Tennessee to hunt for fluorescent green agate. Since we consider ourselves pure "Glow Hounds" we weren't anticipating any glow rocks, just the beauty of the area, but we brought our UV lights anyway.
