eudialite

eudialite

[yü′dī·ə‚līt]
(mineralogy)
(Na,Ca,Fe)6ZrSi6O18(OH,Cl) Hexagonal-crystalline silicate chloride mineral; color is red to brown.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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