not sure what this fluorescent is

fuss

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Jul 27, 2018
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found it on a Lake Michigan beach in SE Wisconsin a couple nights ago, yes, enough ice/snow is gone to get back out there. bright orange fluorescence under long wave and duller orange under short wave uv (photo in LW). It looks like a carbonate rock but has a hardness of over 7, have not done acid test yet.

orange uv color carbonate rock4.jpg

orange uv color carbonate rock3.jpg

orange uv color carbonate rock2.jpg

orange uv color carbonate rock.jpg
 

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fuss

Hero Member
Jul 27, 2018
562
819
Wisconsin
Primary Interest:
All Treasure Hunting
I think that is possible, other chert's and chalcedony I have found also fluoresce a dull yellow/brownish orange color, just no where near this vibrant or bright. Although in normal light this one looks unlike the other cherts/chalcedony...interesting

Looks kinda like chalcedony.
 

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