Any ideas?

[JWoodruff]

Fossilized nut or seed? Found it in the driveway about 20 yrs ago.

 

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[JWoodruff]

 

[JWoodruff]

 

[wvwildman]

looks like lead to me maybe a fired bullet

 

[JWoodruff]

Nope not lead. Its more like a rock but looks like a small acorn or something. The hole on the end and what I can see inside has a "crystalline" texture.

 

[rush2112]

Rugose coral I believe. Worn down and polished by water probably.

 

[JWoodruff]

Thanks rush. I've held on to this thing for years thinking it was a petrified acorn or some other kind of nut. Oh well!