Can anyone Identify this? Atlatl weight?

[larson1951]

It is made from some type of slatelike rorock
It is slightly oval shaped with one side flattened
Could it be an atlatl weight?

 

[Tnmountains]

Yes it could be what they call a single weight. There were singles and double and then the banner stone which was drilled . http://www.primitive.org/atlweights.htm
Check out this site

 

[Pinellas Man]

Wow! 8) That's a fine find, Thanks for sharing with us.