fluorspar

American  

[floo-awr-spahr, -er-] / ˈflu ɔrˌspɑr, -ər- /

Or fluor spar

noun

Mineralogy.

1. fluorite.

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fluorspar British  

/ ˈflʊəˌspɑː /

noun

1. 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: CaF 2 . Crystal structure: cubic

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Etymology

Origin of fluorspar

First recorded in 1785–95; fluor- + spar ³

Example Sentences

One result is the fluorspar district of southern Illinois, which once produced a majority of the country’s fluorite—used to smelt steel and create hydrofluoric acid.

From Science Magazine

Cesium and rubidium, used in research and development and neither of which are mined in the United States, are also spared, as are fluorspar, used to make gasoline, steel and uranium fuel.

From Reuters

The ruling affects China’s exports of certain forms of bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorous and zinc.

From Time

Besides bauxite, zinc and yellow phosphorus, the other six industrial minerals are coke, fluorspar, magnesium, manganese, silicon carbide and silicon metal.

From New York Times

The ruling Monday affects exports of certain forms of bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorous and zinc.

From New York Times