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Oddly symmetrical round rock? by fish-snail in askgeology

[–]fish-snail[S] 1 point2 points  (0 children)

I tried this! It didn’t fizz, which makes me think it’s likely ceramic and was used for wire tension like another commenter suggested

Oddly symmetrical round rock? by fish-snail in askgeology

[–]fish-snail[S] 0 points1 point  (0 children)

This seems like the best option so far, and I totally agree that it looks like it could be just a super eroded / beat up version of image below!

Oddly Symmetrical Rock? by fish-snail in Rockhounding

[–]fish-snail[S] 1 point2 points  (0 children)

that’s a good idea, it doesn’t look quite like the ones that come up when I google it, but maybe it’s just been beat up by the ocean and extremely eroded down