Caption
Fluorite with Calcite, (CaF2-calcium fluoride). Fluorite is one of the most popular minerals among collectors, Mineral class: Halides. Fluorite is a source of fluorine-used in the manufacture of milk glass-as a flux for the steel industry and in refining of aluminum. Sample from Elmwood Mine, Smith County, Tennesse, USA.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland