help me identify this rock with hole in it

[dustinelrod2715]

I found this rock over the weekend, in central Missouri on The gasconade river. Now I realize that there are thousands of rocks on the river with holes in them, but this one seems too round to be natural to me. I have herd of Indians drilling holes in rocks and wearing them as a necklace, but none of my local arrowhead hunting buddies have found one for me to compare it too. Please help.

 

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[NorCalMining]

Not sure about your rock but we get this alot in Northern California. There usually a small hole in the rock and a smaller rock gets in there, the forces of the water push the smaller rock around in the hole making it bigger and bigger until it falls out over a period of several years. It may be from the indians which would be cool! Typically you find the indian grinding stones on larger boulders though

 

[dustinelrod2715]

Thx for the help. The hole is perfectly round and there are groves in it that almost look like rifleing, or threads cut into it. Makes sense that a rock could get in there and do this but wouldn't it be a crazy shape in there if a smaller rock did this?

 

[NorCalMining]

Never know it could be some sort of an artifact, may be something worth researching. On the other hand i have seen some strange things with rocks over many years. Hopefully it is an artifact, there always a good find

 

[EVB]

Looks like possibly a crinoid impression. So I say it's a fossil. You're location is loaded with crinoids.

 

[Sandman]

I believe what you have is a Indian arrow shaver to slide up and down the arrows to make them smooth and round before the points and fletching is fastened.

But ask these guys..

 

[flinthunter]

There was a piece of crinoid stem in it at one time. Its gone now leaving the impression of it in the hole. These type of rocks are quite common.

 

[Charlie P. (NY)]

I agree with the "trace" fossil of what had been a crinoid stem section. I find similar often hereabouts.

What is it worth? That's up to you. As a fossil . . . not much. Worth a little more than a similar rock without the hole.

 

[catherine1]

Its a natural rock. The hole is to big in relation to the rock to be man made.

 

[katdancing]

Very nice. post a pic & text on " North American Indian Artifact Forum" There are many knowledgeable persons who would
help with the id. Kat

 

[packerbacker]

I've also heard of rocks getting holes put in them to use as weights for fish nets.

 

[Neildo85]

Certainly a crinoid hole.