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kyanite

noun
ky·​a·​nite | \ ˈkÄ«-É™-ËŒnÄ«t How to pronounce kyanite (audio) \

Definition of kyanite

: an aluminum silicate mineral Al2SiO5 that occurs usually in blue thin-bladed triclinic crystals and crystalline aggregates

First Known Use of kyanite

1794, in the meaning defined above

History and Etymology for kyanite

German Zyanit, from Greek kyanos dark blue enamel, lapis lazuli

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More from Merriam-Webster on kyanite

Britannica.com: Encyclopedia article about kyanite

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