Found this in Myrtle Beach. It looked like a shiny black rock when wet, but now I'm not so sure. Is this a fossil, or something a lot less interesting? - Lemmy.world
lemmy.world
[https://lemmy.world/pictrs/image/4654242d-e193-439e-9ff5-740c968a4772.jpeg] [https://lemmy.world/pictrs/image/0018aed8-56fa-48e1-8508-584aa0ed7082.jpeg]

We think it is, but it would be great if someone with a little more knowledge could post a more authoritative response in that thread.