A friend and avid rock hound sent this for my natural pigment experiments.
Now to figure out how to grind it down, it's harder than I thought.
Bonus black light pic:
this post was submitted on 06 Jan 2026
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Cool Rocks
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A place for:
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Minerals are cool, too.
Be gneiss to each other
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I wonder if that's what I have. I doubt it but I'll post it and find out I guess!
That's what cool rocks is for. Good luck!