cryolite definition

  • noun:
    • An uncommon, white, vitreous natural fluoride of aluminum and salt, Na3AlF6, almost hidden in liquid in powdered form and utilized mainly inside electrolytic data recovery of aluminum. Also called Greenland spar.
    • The mineral salt aluminium fluoride (Na3AlF6).
    • A fluoride of sodium and aluminum, present Greenland, in white cleavable public; -- utilized as a source of soda and alumina.
    • A fluorid of salt and aluminium found in Greenland, where it types an extensive bed.
    • a white mineral composed of fluorides of aluminum and sodium; a source of fluorine

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