“A mysterious rock/fossil that’s been in the family since my great great great uncle plowed it up when farming.”
Answer: "This is almost certainly the remains of gypsum-filled mud cracks, a gypsum cast or mold. Gypsum-filled mud cracks are well known by geologists, and found in ancient evaporate lake depots, but it’s rare to see one weathered out like this specimen."
this is how it is known in Mediterranean Europe, mainly in France where it originates
In Germany we call it Fußball.
no they don't you knob!
I always figured those were for soda cans. They fit perfectly.
not all explanations here are correct or make sense. Some are just wild guesswork. See #7.
I tend to lean on your explanation, makes a lot more sense than friggin "condiment bottles".
But yeah, I know, nobody cares...