CaF₂ - Mohs Hardness: 4. Fluorite is considered to be one of most popular minerals in the world among gem and mineral collectors, second only to quartz. Fluorite was first described in 1530 and was originally referred to as 'fluorspar'. The mineral was strongly noted for its effectiveness as a flux for aluminum and steel processing. Today, the term 'fluorspar' is primarily used for the industrial and chemical form of fluorite,
UT Department of Environmental Sciences
[no location in description]
The University of Toledo
Digital Initiatives, University of Toledo Libraries
environmental sciences; virtual exhibitions
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