Maybe along the same line, are there any famous rocks in ohio?
I did find this...
[FONT=Times New Roman,Times][SIZE=+1]Perhaps the most highly coveted and sought after mineral from Lime City is the classic amber brown Fluorite. Although, good Fluorite specimens from any Ohio locality command high prices, in general, complete Lime City Fluorite crystals of any size are typically more valuable. The logical reason being, dark brown Fluorite crystals occasionally occur in most quarries throughout the Findlay Arch District. However, these more amber colored crystals are fairly uncommon and knowledgeable collectors seek out the more unusual colors for Ohio Fluorite.
or...
http://www.tripadvisor.com/GoListDetail-i723-Hocking_Hills_Ohio_s_Hidden_Gem.html
[/SIZE][/FONT]