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A large specimen, the agrellite displaying a bright pink under shortwave/midwave and a pearly grey-white luster under natural light. The best color is under MW, almost a lavender. Found in nepheline syenites, syenitic pegmatites - alkaline complex. Green fluorescence is likely uranyl activated salts. The feldspar is a nicely fluorescent magenta color, strong for the species.
The eudialyte is a beautiful, gemmy pink-red in daylight. Rare to find pieces with vlasovite and agrellite viewable together. They are, sadly, most often found on opposite surfaces.
Agrellite exhibits a brief intense phosphorescence (BIP) of yellowish color when quickly removed from under a shortwave (or midwave) UV light.
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.
