Caroboneferous Posted June 22, 2021 Share Posted June 22, 2021 (edited) Edit: This is a duplicate don't reply I found this on a sandbar along the Kansas River in Shawnee, KS. I’m not sure exactly what it is, it appears to have small bone or cartilage fragments imbedded inside. The top face has irregular divots while the bottom side is smooth. Edited June 22, 2021 by Caroboneferous Accidental duplicate Link to comment Share on other sites More sharing options...
Bran Posted June 22, 2021 Share Posted June 22, 2021 Looks volcanic, pumice maybe? Link to comment Share on other sites More sharing options...
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