State Gemstone: Ohio Flint (1965)
State Fossil: Isotelus (1985)

Ohio is well known for its Ohio flint and its flint deposits. It is also home to the largest geode in the entire world!

Serpent Mound Crater, an ancient meteorite crater is also located in Ohio.


Please note that rock collecting locations are always changing so be sure to check with the site owner for the most current information before going.

Dig safe, never go underground, and make sure to get permission from the landowner to search for and collect rocks.