not sure what this fluorescent is
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Thread: not sure what this fluorescent is

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  1. #1

    Jul 2018
    Wisconsin
    359
    510 times
    All Types Of Treasure Hunting

    not sure what this fluorescent is

    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.

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    ToddsPoint and IAMZIM like this.

  2. #2

    Jul 2018
    Wisconsin
    359
    510 times
    All Types Of Treasure Hunting
    update, it has no reaction to dilute HCL....

  3. #3
    se
    Sep 2006
    Sweden
    White's V3, Minelab Explorer II & XP Deus.
    6,484
    2096 times
    Prospecting
    Looks kinda like chalcedony.
    fuss likes this.
    Geologists are gneiss, tuff, and a little wacke.

  4. #4

    Jul 2018
    Wisconsin
    359
    510 times
    All Types Of 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

    Quote Originally Posted by Eu_citzen View Post
    Looks kinda like chalcedony.
    TerryC likes this.

 

 

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