Another mystery piece

[coosakid]

My friend found this today thought it might of been a fire starter rock

 

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[arrow86]

Maybe better pics will help but this will probably be one of those that people will say yes and no..... Really will come down to if he believes it is. To me it looks really rough and to be natural erosion

 

[kcm]

It would be helpful for you to add a quarter or something as a size reference.

Looks to me like a rock that water got into, water froze and expanded, rock chipped out. ...But then I'm no expert! What area was this found?

 

[Mrdigz]

Looks like the rock is decomposing and and either a mineral deposit or fossils popped out.

 

[Mrdigz]

There's a small recess to the right of the larger one where it looks the same thing happened.

 

[coosakid]

Sorry phone takes bad pictures and he's done left but it's about the size of a dime..... Were in central Alabama

 

[Treasure_Hunter]

Can't tell from picture, need to see detail of hole, both edge and inside.

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[quito]

I gotta go with completely natural based on what I can see.

 

[rock]

I gotta go with completely natural based on what I can see.

yep