- a mineral, sodium aluminum fluoride, Na3AlF6, occurring in white masses, used as a flux in the electrolytic production of aluminum.
Origin of cryolite
Also called Greenland spar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cryolite
"There's a seam of cryolite in the Eastern Hills, according to the old maps," said Lake.Space Prison
And now how many of my readers can tell me what cryolite is?
Potassium borofluoride may be readily prepared from cryolite.
The cryolite is a rare mineral and the sole one which has become an article of trade in Greenland.The Great Frozen Sea
Albert Hastings Markham
He helped us to make our way to Ivignut, where the cryolite mines are, and thence we got back to England by way of Denmark.
- 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: Na 3 AlF 6
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