Originally Posted by woodcraft

Not a regular here, but wanted to share an interesting bit.

In "The North American Indian" by Edward Curtis, there is a photograph of a southwest woman polishing a pot.

The caption reads: The potter is polishing a vessel. The smooth pebbles used for this purpose are found in small heaps among or near deposits of fossil bones. They are the stomach pebbles of dinosaurs. Tewa women prize them highly, refuse to part with them, and foresee ill luck if one is lost.

That's all- carry on.