ky·a·nite
| \ ˈkī-ə-ˌnīt
\
\
Definition of kyanite
: an aluminum silicate mineral Al2SiO5 that occurs usually in blue thin-bladed triclinic crystals and crystalline aggregates
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“Kyanite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kyanite. Accessed 18 May. 2022.
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Time Traveler for kyanite
The first known use of kyanite was in 1794
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