a fluoride of sodium and aluminum, NaAlF, found in Greenland or produced synthetically and used in the molten state in the electrolytic production of aluminum
Origin of cryolitecryo- + -lite: with reference to its icy appearance
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 .
(countable and uncountable, plural cryolites)
- The mineral sodium aluminium fluoride (Na3AlF6).