fluorspar

or flu·or spar

[ floo-awr-spahr, -er- ]

/ ˈflu ɔrˌspɑr, -ər- /

noun Mineralogy.

Words nearby fluorspar

fluoroscope, fluoroscopic, fluoroscopy, fluorosis, fluorouracil, fluorspar, fluosilicate, fluosilicic acid, fluoxetine, fluoxetine hydrochloride, fluphenazine

Origin of fluorspar

First recorded in 1785–95; fluor- + spar³

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for fluorspar

The centre of the fluorspar district was Rosiclare in Hardin county.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3|Various
The crystals occurred in association with topaz, fluorspar and cassiterite; but they were mostly of rather pale colour.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3|Various
A mixture of fluorspar and sulphuric acid is then painted over the vessel and after a few minutes the vessel is washed clean.
An Elementary Study of Chemistry|William McPherson
Those stones which show electricity on the application of pressure are such as the fluorspar, calcite, and topaz.
The Chemistry, Properties and Tests of Precious Stones|John Mastin

Fluorspar has already been mentioned as the chief natural compound of fluorine.
An Elementary Study of Chemistry|William McPherson

British Dictionary definitions for fluorspar

fluorspar

fluor

/ (ˈflʊəˌspɑː) /

noun

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: cubicAlso: (US and Canadian) fluorite

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012