Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A dichroic violet-blue to gray mineral silicate of magnesium, aluminum, and sometimes iron.

from The Century Dictionary.

  • noun Same as iolite.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) See iolite.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A magnesium iron aluminium cyclosilicate.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French, after Pierre L. Cordier, (1777–1861), French geologist.]

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Examples

  • The large bluish stone which the gentleman acquired with the red stones proved to be iolite, sometimes called cordierite or water-sapphire

    A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Frank Bertram Wade

  • In addition to using a new metal compound in the catalyst, Panasonic has devised a new catalyst coating technology to maximize the performance of the catalyst on a variety of DPF types (cordierite [4], SiC [5], metal, etc.).

    Autoblog Green 2010

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