I have a couple kidney stones collected from my doctor. I know that sapphires are for september, and topaz is november. What month is kidney stones? I might have a ring made my from my kidney stones, how much do you think it will be worth if I try to sell it on ebay?

Thanks.
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Charlott…: Okay, I’m not a professional or anything but I do know that kidney stones is like a solid form of some substances found in urine, like calcium. (Which is nasty in itself so I really wouldn’t recommend making a kidney stone ring, ha ha) So kidney stones aren’t an actual birthday stone, just a hardened form of minerals in your pee. (Again, ew.)