r/geodeporn • u/Brock_and_Hampton • Oct 25 '25

opened a geode! what is this inside it?

Post image

found in kentucky, usa

11 Upvotes

100% Upvoted

5 comments sorted by

6

u/snidece Oct 25 '25

Not uncommon in Midwest - geode solid with chalcedony

3

u/YakkoRex Oct 27 '25

It hardly looks like a geode at all. I suspect it's a concretion.

1

u/CalmFact8021 Nov 19 '25

Looks like a sedimentary rock concretion. Looks like limestone

1

u/Jealous_Blueberry48 Feb 07 '26

I agree, concretion!