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Bright cherry red fluorescing tugtupite on an analcime matrix mixed with uranyl green makes for very attractive patterning. Very phosphorescent and tenebrescent.
Tugtupite is a very rare mineral - found in only three places around the world (Kola Russia, Mt St Hilaire, and Greenland). Pieces from Greenland are the most sought after due to coverage, size and brightness.
Prior to our explorations in 2001-2011 tugtupite was really only available from the Kvanefjeld locality, and only known from a few other places. Since, pieces from the Taseq Slope locality have become popular with collectors - and more available. This area has become the most prolific supplier of tugtupite to the fluorescent mineral market, and has been given the nickname "Taseq Tugtupite”. We should note that, unlike hackmanite from Greenland, tugtupite is not quick to fade once it has changed color. Pieces might take days or even weeks to fade completely.
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.
