What might this be?

[Paleopilot]

I posted this on the Artifact thread, they suggested you guys might know more about this one.
Thanks in advance.

 

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[StoneWhisper]

First glance.. I would have thought it was a Native American, Puruvian (broken) pendant which at one time could have had a crudely faceted gem stone in the opening/pocket..

 

[rock]

I was hoping somebody would know cause I have never seen one like it before. It is a interesting item.