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fluorspar

[floo-awr-spahr, -er-] /ˈflu ɔrˌspɑr, -ər-/
noun, Mineralogy
1.
Also, fluor spar.
Origin
1785-1795
1785-95; fluor- + spar3

fluorite

[floo r-ahyt, flawr-, flohr-] /ˈflʊər aɪt, ˈflɔr-, ˈfloʊr-/
noun
1.
a common mineral, calcium fluoride, CaF 2 , occurring in green, blue, purple, yellow, or colorless crystals, usually in cubes: the principal source of fluorine, used also as a flux in metallurgy and for ornament.
Also called fluor, fluorspar, fluor spar.
Origin
1865-70; < Italian; see fluor-, -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for fluor-spar

fluorite

/ˈflʊəraɪt/
noun
1.
(US & Canadian) 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 Also called (in Britain and certain other countries) fluorspar, fluor

fluorspar

/ˈflʊəˌspɑː/
noun
1.
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 Also (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
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fluor-spar in Science
fluorite
  (flr'īt')   
A transparent to translucent mineral occurring in many colors, especially yellow and purple, and usually in cube-shaped crystals with octahedral cleavage. It is found in sedimentary rocks and in ore deposits within igneous rocks. It is often fluorescent in ultraviolet light. Chemical formula: CaF2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for fluor

8
10
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