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dumortierite

 - 2 dictionary results

du⋅mor⋅ti⋅er⋅ite

[doo-mawr-tee-uh-rahyt, dyoo-]
–noun
a mineral, aluminum borosilicate.

Origin:
1880–85; < F, named after Eugène Dumortier, 19th-century French paleontologist; see -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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du·mor·ti·er·ite   (dōō-môr'tē-ə-rīt', dyōō-)   
n.  A glassy pink, green, violet, or blue aluminum borosilicate mineral, Al8BSi3O19OH, used in spark-plug ceramics and as imitation lapis lazuli.

[French, after Eugène Dumortier, 19th-century French paleontologist.]
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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