🔎 UNIDENTIFIED No idea

[Blackfoot58]

I find this type of rock every now and then. Iowa creek find again. The center is dark brown and only visible from one end. The outermost part is yellow/tan. No residue or color left after scratching an unglazed tile. Would it be a petrified item, some sort of agate? I’ve never kept them before, but I believe I will from now on.
Any insight appreciated!

 

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[Gulf Coast Pirate]

Looks like my dogs' treats...

 

[creskol]

I think it is a fossilized bone fragment.

 

[Blackfoot58]

Looks like my dogs' treats...

I thought petrified Combo 😄

 

[Blackfoot58]

I think it is a fossilized bone fragment.

That might be. Thanks

 

[Blackfoot58]

Here are couple of similar pieces I found, along with the one from the earlier photo.

 

[Kray Gelder]

Not all chert nodules are large. I believe that's what you have.

 

[Blackfoot58]

Thanks