cryolite

Definitions

  • WordNet 3.6
    • n cryolite a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
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Webster's Revised Unabridged Dictionary
    • n Cryolite (Min) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.
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Century Dictionary and Cyclopedia
    • n cryolite A fluorid of sodium and aluminium found in Greenland, where it forms an extensive bed. It occurs in cleavable masses, also in distinct crystals, and has a glistening vitreous luster, and a pale grayish-white, snow-white, or yellowish-brown color. It is important as a source of the metal aluminium, and is also used for making soda and some kinds of glass. Cryolite has also been discovered at Miask in the Ural mountains, and in small quantities in Colorado.
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Chambers's Twentieth Century Dictionary
    • n Cryolite krī′o-līt a mineral found on the coast of Greenland, consisting mainly of a fluoride of aluminium in combination with fluoride of sodium.
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Etymology

Webster's Revised Unabridged Dictionary
Gr. kry`os icy cold, frost + -lite,: cf. F. cryolithe,
Chambers's Twentieth Century Dictionary
Gr. kryos, frost, and lithos, a stone.

Usage

In literature:

Potassium borofluoride may be readily prepared from cryolite.
"Scientific American Supplement, No. 441, June 14, 1884." by Various
A mixture of equal parts of cryolite and barium chloride is very good in soldering bronze or aluminum alloys.
"Practical Mechanics for Boys" by J. S. Zerbe
And we would have to have cryolite ore to serve as the solvent in the smelting process.
"Space Prison" by Tom Godwin
The principal resources of the island are sealskins, eider-down, oil, and cryolite.
"Wealth of the World's Waste Places and Oceania" by Jewett Castello Gilson
Cryolite is now melted by electricity.
"Diggers in the Earth" by Eva March Tappan
The mineral cryolite occurs at Ivigtut and is mined by soda-making establishments in the United States.
"Commercial Geography" by Jacques W. Redway
Cryolite is used today to form a molten bath in which the bauxite is electrolytically reduced to aluminum.
"The Economic Aspect of Geology" by C. K. Leith
The mineral cryolite is mined in Greenland.
"The New Gresham Encyclopedia. Vol. 1 Part 2" by Various
Cryolite occurs almost exclusively at Ivigtut (sometimes written Evigtok) on the Arksut Fjord in S.W.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7" by Various
It is a trading station for the Esquimaux, and also has a mine, from which large quantities of cryolite are obtained.
"First at the North Pole" by Edward Stratemeyer
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