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lazurite

 - 2 dictionary results

laz⋅u⋅rite

[laz-uh-rahyt, lazh-uh-]
–noun
a mineral, sodium aluminum silicate and sulfide, Na5Al3Si3O12S3, occurring in deep-blue crystals, used for ornamental purposes.

Origin:
1890–95; < ML lāzur azure + -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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laz·u·rite   (lāz'yŏŏ-rīt', lāz'ə-, lāzh'ə-)   
n.  A relatively rare blue, violet-blue, or greenish-blue translucent mineral, Na4-5Al3Si3O12S, the chief component of lapis lazuli.

[Medieval Latin lāzur, lapis lazuli (from Arabic lāzaward; see lapis lazuli) + -ite1.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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