Native American Stone Tool Beach Find?

[Beachrock]

Found this on the beach. I have no idea if it looks and feels like it has been worked. Found in same area where other artifacts found in past. View attachment 149017

 

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[Beachrock]

View attachment 1490309 View attachment 1490309

 

[rock]

Im not sure if they are anything more than a cool rock. What state?

 

[Beachrock]

Cape Cod MA

 

[Beachrock]

Thought maybe first one was a scraper. The black one looks to have scratches and the sides look like they have been pounded. Not sure of the indent on top too.

 

[Wampum]

Maybe an arrow shaft abrader.

 

[arrow86]

I believe both are natural