Template:Kyanite

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Kyanite
Chemical composition Aluminum Silicate Al2Si05
Crystal system Triclinic
Habit Bladed
Cleavage Edit me
Fracture Edit me
Hardness Edit me
Optic nature Biaxial -
Refractive index Edit me
Birefringence 0.017
Dispersion 0.020
Specific gravity 3.68 (+.01/-.12)
Lustre Vitreous
Pleochroism Moderate to Strong, Trichroic