Dictionary
nat•ro•lite
Pronunciation: (na'tru-līt", nā'-), [key]—
n.
a white or colorless zeolite mineral, a hydrous silicate of sodium and aluminum, Na
2Al
2Si
3O
10·2H
2O, often occurring in acicular crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.