Large Spearhead Core?

[rock]

Ive had this for a couple of yrs now. Personal find (my backyard) and always thought it looked like a big core. I have found 1 flint tool but it was black and broke in my yard and 1 hammer stone but that is it so far. So what you think core? North West Ga.

 

[jamey]

i like the nodule looking one,i think that is what it is,i think they would use them like a hammerstone and make points out of them,mother nature makes them in that shape at least round here,i keep em