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Meaning of sodalite

so•da•lite

Pronunciation: (sōd'l-īt"), [key]
— n.
  1. a mineral, sodium aluminum silicate, NaAlSiOCl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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