Primitive tool or just rock

[Nathan W]

Looks very unusual and some crazy worn lines when light hits it. It was under water in the creek that I found the flake. Either way it’s a cool rock formation

 

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[CreekSide]

Completely natural

 

[Treasure_Hunter]

Natural stone, you want to look for signs of being flaked, pecked or ground...

 

[unclemac]

...and ask.... tool for what?

 

[RGINN]

Just a rock, still pretty cool.