GEMSTONE ENCYCLOPEDIA
Kyanite
An aluminium silicate mineral, often blue, whose hardness differs by crystal direction.
ColourBlue
Mohs hardnessNot listed
Mineral familyAluminium silicate
BirthstoneNot listed
What is Kyanite?
An aluminium silicate mineral, often blue, whose hardness differs by crystal direction.
Colour and appearance
Blue
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Traditional meanings are cultural associations, not proven medical benefits.