fluorspar

fluorspar

[floo-awr-spahr, -er-]
noun Mineralogy.
Also, fluor spar.


Origin:
1785–95; fluor- + spar3

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fluorspar or fluor (ˈflʊəˌspɑː)
 
n
Also: fluorite a white or colourless mineral sometimes fluorescent and often tinted by impurities, found in veins and as deposits from hot gases. It is used in the manufacture of glass, enamel, and jewellery, and is the chief ore of fluorine. Composition: calcium fluoride. Formula: CaF2. Crystal structure: cubic
 
fluor or fluor
 
n

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