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Sanidine
Sanidine

Kyanite
Kyanite



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Sanidine
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Kyanite

Sanidine and Kyanite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
WeakMichael O’Donoghue
Trichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.518-1.5361.71-1.74
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.005-0.008Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Sanidine and Kyanite Optic Character

Sanidine and Kyanite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sanidine and Kyanite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Sanidine and Kyanite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Sanidine and Kyanite Transparency

Similar to their colors, Sanidine and Kyanite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Sanidine is Transparent while Sanidine is Transparent in appearance.