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An uncommon, white, vitreous natural fluoride of aluminum and sodium, Na3AlF6, nearly invisible in water in powdered form and used chiefly in the electrolytic recovery of aluminum. Also called Greenland spar.


(Minerals) a white or colourless mineral consisting of a fluoride of sodium and aluminium in monoclinic crystalline form: used in the production of aluminium, glass, and enamel. Formula: Na3AlF6


(ˈkraɪ əˌlaɪt)

a mineral, sodium aluminum fluoride, Na3AlF6, occurring in white masses, used as a flux in the electrolytic production of aluminum.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cryolite - a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
atomic number 9, fluorine, F - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


[ˈkraɪəˌlaɪt] ncriolite f
References in periodicals archive ?
have witnessed decline in aluminum production, which is expected to restrain the demand in the cryolite market in these regions.
[ClickPress, Mon Sep 02 2019] Cryolite (with the chemical name sodium hexafluoroaluminate) is an inorganic compound with the formula Na 3 AlF 3 .
and Flores, J.A.: 2008, Rare earth element and yttrium geochemistry applied to the genetic study of cryolite ore at the Pitinga Mine (Amazon, Brazil).
One of the world's largest producer of aluminium fluoride and synthetic cryolite, Fluorsid meets the bulk of Alba's yearly ALF3 requirements for its annual metal production.
At the same time, the new aluminum plant will significantly save electricity and basic raw materials, such as alumina, cryolite, aluminum fluoride, and also anodes.
Cr is one of the commonest elements in earth crust and exists in ores such as chromite (Fe[Cr.sub.2][O.sub.4]) and cryolite (FeCr[O.sub.4]).
(2002) [25] (i) daughter minerals: halite, sylvite, nahcolite, K-feldspar, Ba/Ca hydroxides, galena, cerussite, fluorapatite, cryolite, burbankite, pyrite, fluorite, barite Kalkfield Complex, Volatile rich (~40wt% [H.sub.2]O + Namibia; carbonatite; C[O.sub.2]) with Buhn and Rankin Na-Ca-REE-Sr components (1999) [23] Fen, Norway; Fluids all magmatic in origin.
This blend offers a high degree of protection against molten iron, aluminum and cryolite splash, which is unique to this fabric.
These oil and mineral resources are diverse, comprising gold, diamonds, iron ore, cryolite, lead, zinc, molybdenum, oil, natural gas, uranium and other rare-earth minerals (Nuttall 2008).
Dasch's targets included Aluminum Company of America (Alcoa) plants in New York, Tennessee, and Illinois; the Cryolite Metals plant in Philadelphia; and the Ohio River locks between Pittsburgh and Louisville.