Geodes are connecting stones. If you don't have both sides, someone else in the world may have the other half, connecting us to one another.
Geodes from the Keokuk area contain a variety of minerals. Quartz is dominant in most. Chalcedony forms the outer shell in all Keokuk geodes.
Sourced from Iowa.
5”-5.5” x 3.75” x 2”- 2.25”.