Kyanite definition

sīə-
A bluish-green to colorless mineral, Al2 SiO5 , used as a refractory.
noun
1
0
A bluish silicate of aluminum, Al2SiO5, that forms in long, thin, bladed crystals that are found in metamorphic rocks.
noun
0
0
A bluish-green to colorless triclinic mineral. Kyanite occurs as long, thin, blade-shaped crystals in metamorphic rocks. It is unique among minerals in having two grades of hardness, one along its length, and one along its width. It is a polymorph of andalusite and sillimanite, but can form at lower temperatures than either of these. Chemical formula: Al2SiO5.
0
0
A blue neosilicate mineral, Al2SiO5, found in metamorphic rocks.
noun
0
0
Advertisement

Alternative Forms

Alternative Form of kyanite - cyanite

Other Word Forms

Noun

Singular:
kyanite
Plural:
kyanites

Origin of kyanite

  • Greek kuanos dark blue enamel –ite

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ancient Greek κυανός (kuanos, “blue”).

    From Wiktionary