I stick with my previous identification, cusp off of a mastodon tooth.

great. thank u

i have been told by several people it is from a mastodon

It does appear to be a jaw. Cleaning out the possible tooth root holes would be useful in visualizing it and potentially identifying it.

i have tried but am not sure how to without damaging it. it is almost like concrete

Slowly and carefully with a fine tipped dremel. Turn the speed down from max to keep it from skipping. Clean out the drill holes often to ensure that you stop when you hit bone.

ok. thank u

Egg implant

I wouldn’t be so sure about that, I’ve never even heard of an egg implant fossil, especially since this looks like a granite stone and not something soft that could’ve been imprinted on by an egg. It’s probably just an odd erosion or formation pattern.

You know probably a place the egg was and it cracked open and left idk it’s a possibility

I think I understand what you’re trying to say, but it’s still not an egg imprint

it looks like a horse huff

it does

picture is blurry, but it does appear to be a tooth or maybe bone.

it’s definitely not a shark tooth though

maybe plant remains…..

Horse tooth?

Horse tooth