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Blue Fluro Hue Between Rocks

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  • LJ1989
    New TDF Member
    • Nov 2018
    • 7

    Blue Fluro Hue Between Rocks

    Any chemists on here?
    Wondering if anyone is aware of a blue fluro hue that would appear between rocks seen in a slate mine?
    I am interested to see what this may be as I have read this could be an iodeine mix thay when submerged loses its violet hue and turns blue!

    Any ideas or opinions appreciated. This is in a UK slate mine and i am interested as to what this could be.
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