Mystery Stone Creek Find

[jeramme]

Does anyone know what this might be? At first I thought it was glass, but the grooves on either side run alternately. Also, it appears to be made from an agate like stone material. Probably nothing...The only thing I could think of was that it might be some kind of sharpening stone...A

ppreciate your insight.

 

Amazon Forum Fav 👍

A Handbook of Civil War Bullets and Cartridges - Grab it through Amazon!

[Tdog]

Looks like an old beat-up piece of light diffusing glass--possibly from an old brick or block.

Edit: Could be piece of a lens from a truck, tractor or automobile as well.

 

[airborne1092]

yes, looks like a water-worn piece of tile, the riffles are the underside where the floor glue would adhere~

 

[airborne1092]

I find bits of china and pottery in our Spokane river, mostly from the old hotels and military activities on/near the river from many decades past (1890 - 1940s.) old clay water/sewer pipes and such too.
If I found this piece of yours, This would be my 1st thought.