American Fluorite Museum


The American Fluorite Museum in Rosiclare occupies a building that once served as headquarters for the Rosiclare Lead and Fluorspar Mining Company. At one time Illinois was the largest producer of fluorite in the nation; however, the state's last mines closed in 1995. Although it has important industrial uses, many consider fluorite simply beautiful to look at. The Illinois state legislature agreed on both counts, naming fluorite the state mineral in 1965. Huge mineral specimens, many of them an eerie bright blue, are on display at the museum. Some of the more unusual examples have minerals like barite embedded in the fluorite specimens. Displays also include photographs, mining artifacts, and a scale model of a fluorite mine superstructure. Fluorite's industrial uses include steel production, glass etching (hydrofluoric acid), and the manufacture of lens for telescopes and cameras. The museum is open Thursday through Sunday from March to December. A modest admission is charged.


Main St
Rosiclare, IL 62982


37.42605600, -88.34616900
Visit Website
(618) 285-3513

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