Please help me identify this Native American stone

[jthrasher]

Anyone know what this is? I found this by the Rio Grande River on the American side by Harlingen, Texas.

 

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[A2coins]

Are you sure its a stone it looks like something else. Like a horse apple. just a thought .Someone with more expertise will reply soon .

 

[A2coins]

Welcome also

 

[jthrasher]

Thank you for answering...yes it is a stone and I have never seen one like this. I am visiting my brother in Michigan and took it to a local rock shop and he said the lines were not made by nature. He thought it was a Native American tool. I asked an archeologist in Texas and she said it could be a sharpening stone. It is very odd.

 

[A2coins]

I live in MI ann Arbor. That's kinda what I thought it looked like from the picture. That would be a great relic if it is a Native artifact if you look under forums on this site there is a Native artifact forum you could also post it on. People on this site are amazing at giving an ID to almost anything. Thanks for sharing your find really cool!!! Tommy

 

[Gridwalker306]

Sedimentary rock, riddled with quartz (possibly calcite) veins. Under massive pressure the rock formed cracks, the cracks filled with minerals that eventually became solidified.

 

[A2coins]

what he said