Template:Kyanite
From The Gemology Project
Revision as of 00:02, 10 February 2007 by Africanuck (talk | contribs)
Kyanite | |
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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 |