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Definitions

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

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a blue neosilicate mineral, Al2SiO5, found in metamorphic rocks

from the GNU version of the Collaborative International Dictionary of English

  • n. See cyanite.

from The Century Dictionary and Cyclopedia

  • n. See cyanite.

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

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

Etymologies

Greek kuanos, dark blue enamel + -ite1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek κυανός (kyanos, "blue"). (Wiktionary)

Examples

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

    A Jaguar for Family -- and Flash

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

    Valentines, part the first

  • 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

  • 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

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

    Kyanite

  • Gneisses in Southern California also have significant kyanite resources.

    Kyanite

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

    Kyanite

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

    Kyanite

  • 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

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

    1. Refractories

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