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Nicely fluorescent under midwave and shortwave, from the world famous Buckwheat Dump. This piece displays brief intense phosphorescence, as does all manganese active calcites. Striking under midwave UV and very unusual.
Brief intense phosphorescence, or “BIP”, is a phenomenon where for a brief moment immediately after the shortwave lamp is turned off, it displays a very short-lived, but bright phosphorescence or flash. It’s very difficult to capture this in the photos.
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.
