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:

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:

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!