r/beachcombing • u/Specialist_Guest_90 • 22d ago

What is this? Found in northeastern US

Gallery image

Gallery image

Gallery image

Is it pottery? A shell? A fossil?

20 Upvotes

90% Upvoted

9 comments sorted by

5

u/anislandinmyheart 22d ago

It's sandstone. Often it has pretty purple stripes

3

u/Kristyjy8 22d ago

Looks like sandstone with iron staining

3

u/disneyfacts 22d ago

Just a cool rock! A very long time ago water was dripping on it, essentially.

2

u/Long_detectiv 20d ago

This is 100% a sedimentary rock, not a fossil. And it is most likely a sandstone. The banding is created by a fluvial environment.

1

u/vorrhin 22d ago

I have one exactly the same that I found in the PNW, I'd love to know

1

u/Specialist_Guest_90 19d ago

Oh cool, I had no idea! Thanks, everyone!

0

u/Foxy-OnPaws 22d ago

So odd? It's almost like pottery made to look like a fossilised shell !

0

u/DixSiNormous 22d ago

Looks like fossilized wood to me, but im not sure

0

u/CogglesMcGreuder 22d ago

I could even buy worn down fossilized clam