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nepheline: Meaning and Definition of

neph•e•line

Pronunciation: (nef'u-lin), [key]
— n.
  1. a feldspathoid mineral, essentially sodium aluminum silicate, NaAlSiO, occurring in alkali-rich volcanic rocks.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Nephele nephelinite
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