magnetic and so round wondering if it was a Native American tool, which I found near artesian well

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Archimedes Plutonium

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May 13, 2026, 5:05:46 PM (14 hours ago) May 13
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Archimedes Plutonium

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6:00 AM (1 hour ago) 6:00 AM
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So round, that I am thinking it was used by Native Americans to crush seeds for food preparation. That rock is magnetic but also so round. The ruler is deceptive for it is in Centimeters not millimeters.


Now that ruler is deceptive for it says mm but the numbers are in centimeters. The manufacturer should have labeled the ruler as CM, not MM.
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