cryolite
krahy uh lahyt
- n a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
- The Eskimos thought that cryolite, which means "frost stone," was a mysterious kind of ice.
- Finally he found that electrically melted cryolite, a mineral from Greenland, would dissolve the ore.
- Greenland's only industrial asset is a cryolite mine, run by Danes.