fluor-spar

fluorspar

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


Origin:
1785–95; fluor- + spar3

Dictionary.com Unabridged

fluorite

[floor-ahyt, flawr-, flohr-]
noun
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.
Cite This Source Link To fluor-spar
Collins
World English Dictionary
fluorite (ˈflʊəraɪt)
 
n
(US), (Canadian) fluorspar, Also called (in Britain and certain other countries): fluor 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

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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
fluorite   (flr'īt')  Pronunciation Key 
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.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature