With the mild and basically snowless start to winter here in SE WI I was able to go out up until almost the last week of January looking for fluorescent rocks. Since then we have been slammed with storm after storm dropping a quite a bit of snow, so probably wont get back out until sometime in march hopefully. Here is some of what I found in Dec and Jan. Not quite sure what is making the first rock( a small chip really) fluoresce, calcite I suppose. Thx
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