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

  • noun A bluish-green to colorless mineral, Al2SiO5, used as a refractory.

from The Century Dictionary.

  • noun See cyanite.

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

  • noun See cyanite.

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

  • noun a blue neosilicate mineral, Al2SiO5, found in metamorphic rocks

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

  • noun a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory


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

[Greek kuanos, dark blue enamel + –ite.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek κυανός (kyanos, "blue").


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  • My test car came in a remarkably bright hue called kyanite blue.

    A Jaguar for Family -- and Flash 2009

  • Copper wire strung on a copper hoop, with all manner of space-station debris in glass, pearls, kyanite, and bismuth.

    Valentines, part the first mllelaurel 2009

  • For refractory purposes, high-alumina materials, fire clays, and a product called synthetic mullite (produced in the United States and elsewhere), can be used in place of kyanite and its related minerals.

    Kyanite 2008

  • There are substantial deposits of kyanite in the United States.

    Kyanite 2008

  • As a result, more than half of the kyanite consumed is used in refractories for the production of steel.

    Kyanite 2008

  • Gneisses in Southern California also have significant kyanite resources.

    Kyanite 2008

  • Relative to one another, kyanite forms in a lower temperature/higher pressure environment; andalusite forms in a lower temperature/lower pressure environment, and sillimanite forms in a higher temperature/higher pressure environment.

    Kyanite 2008

  • France and India also produce andalusite and kyanite, respectively.

    Kyanite 2008

  • On the west of the second range we have great masses of kyanite or disthene, and on the flanks of the third and fourth a great deal of specular iron ore which is magnetic, and containing a very large percentage of the metal.

    Missionary Travels and Researches in South Africa 2004

  • Silimanite is found mainly in India while andalusite and kyanite are more widespread.

    1. Refractories 1987


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