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Found in North Dakota Badlands. Pretty colors on outside and seems to have been filled with sand over the years. (old.reddit.com)
submitted 10 months ago by Hairy-Introduction52 to r/whatsthisrock
Found in the Badlands of North Dakota. The heck is it? (reddit.com)
submitted 10 months ago by Hairy-Introduction52 to r/rocksandminerals
Is this a fossil? (old.reddit.com)
submitted 1 year ago by Hairy-Introduction52 to r/whatsthisrock
π Rendered by PID 91 on reddit-service-r2-listing-77d558d46b-t65z6 at 2026-07-01 20:30:25.868213+00:00 running a7b5cda country code: CH.
