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The only minerals we are pretty confident of are the willemite and calcite - there may be much more. The white mineral has been assayed to be willemite with a very high zinc content. Under white light, you can see a green mineral - we haven't seen this before.
Puttapa has been picked over with a fine-tooth comb. There have been several trips to the mine to extract every little scrap left, first-run pieces have sold (except for these) and much of the minor leftover material has been wholesaled out to numerous sellers. We were one of the three original sellers of this material and still have much of our original stock (we are the only ones actually revenue sharing with Graham Fraser, a good friend).
Special note: The phosphorescent pic was taken with zero lights - glows like a banshee. (Our rule of thumb on these pieces is that anything that phosphoresces is willemite, aragonite being the possible exception).
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.
