Kids Love Rocks - A guide to rock collecting
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Fluorite. Pen for scale. Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 5-1017, CaF_2.

Credit: U.S. Geological Survey
Photograph by Andrew Silver


Fluorite is the State mineral of Illinois.  Fluorite is the natural crystalline form of calcium fluoride.  Fluorite can be found in many colors and shapes. 



Quartz with Fluorite





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