noun ky·a·nite \ˈkī-ə-ˌnīt\

Definition of kyanite

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

Origin and Etymology of kyanite

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

First Known Use: 1794

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