Cave-In-Rock State Park is an Illinois state park, on over 200 acres, in the town of Cave-in-Rock, Hardin County, Illinois in the United States. The Cave the provides the namesake is known to feature many types of mineral specimens including fluorite.
Barite on Fluorite
Barite on Fluorite 
Barite on Fluorite
Barite on Fluorite 
Barite on Fluorite
Barite on Fluorite