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Todays finds (thelemmy.club)

submitted 16 hours ago by jamesrandysghost@lemmy.zip to c/cool_rocks@lemmy.today

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Agate with smokey quartz. A glacial erratics found by yours truly in central MN.

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[-] mrmisses@lemmy.world 3 points 14 hours ago

Any rocksperts know how that circle area formed on the top

[-] Pandantic@midwest.social 3 points 3 hours ago* (last edited 3 hours ago)

I was thinking it might be a fossil?

Edit: not a rockspert.

this post was submitted on 31 Jul 2026

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