kyanite

As a noun kyanite

is a blue neosilicate mineral, al₂sio₅, found in metamorphic rocks.

As a proper noun sapphire is

from the precious stone.

As nouns the difference between iolite and kyanite

is that iolite is the clear variety of cordierite while kyanite is a blue neosilicate mineral, Al₂SiO₅, found in metamorphic rocks.

As nouns the difference between staurolite and kyanite

is that staurolite is a dark brown nesosilicate mineral that has crystals that cross and intergrow while kyanite is a blue neosilicate mineral, Al₂SiO₅, found in metamorphic rocks.

As nouns the difference between cyanide and kyanite

is that cyanide is any compound containing the -C≡N radical or the C≡N^-1 anion while kyanite is a blue neosilicate mineral, Al₂SiO₅, found in metamorphic rocks.

As a verb kyanize

is to preserve wood from decay by soaking it in a solution of mercuric chloride.

As a noun kyanite is

a blue neosilicate mineral, al₂sio₅, found in metamorphic rocks.

As nouns the difference between kyanite and cyanite

is that kyanite is a blue neosilicate mineral, Al₂SiO₅, found in metamorphic rocks while cyanite is alternative form of kyanite.

As a noun kyanite

is a blue neosilicate mineral, al₂sio₅, found in metamorphic rocks.

As a verb kyanise is

.

As nouns the difference between quartz and kyanite

is that quartz is the most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment while kyanite is a blue neosilicate mineral, Al₂SiO₅, found in metamorphic rocks.