Paleo knife?

[David]

Originally Posted by Rust Collector

My pictures are lacking and I will try to get a better shot of the edge. It is also a river find so the edges are rounded a litttle but it cleary shows percusion and pressure flacking and the base is ground round where it would be held.

I think the point the others are trying to make is that this is not a suitable material for the type of tool you are hoping this is. Paleo man didn't hold any college degrees, but he had "street" smarts. Sedimentary rock would not be his mineral of choice for such a tool.