Illinois

 

Geological State Symbols Across America           Geology of the National Parks Through Pictures


Connecticut State Geological Symbols
Type
Symbol
Year Established
State Mineral
Fluorite
1965
State Fossil
Tully Monster
1989

 

State Mineral: Fluorite

 


State Fossil: Tully Monster


 

References

 


Geology of Illinois's National Parks

Through Pictures

(at least the one's I have been to)