a grey, green, or blue mineral consisting of aluminium silicate in triclinic crystalline form. It occurs in metamorphic rocks and is used as a refractory. Formula AL2SiO5
WordReference Random House Unabridged Dictionary of American English © 2025
ky•a•nite
(kī′ə nīt′),USA pronunciation n.
- Mineralogya mineral, aluminum silicate, Al2SiO5, occurring in blue or greenish bladed triclinic crystals, used as a refractory. Also, cyanite.
- Greek kýan(os) cyan + -ite1
- irregularly 1785–95
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