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Kyanite Cyprine
Kyanite Cyprine

Star Ruby
Star Ruby



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Kyanite Cyprine
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Star Ruby

Kyanite Cyprine and Star Ruby Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
-

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
Transparent, Translucent

Refractive Index

1.710-1.7351.757-1.780
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

-
-

Birefringence

0.012-0.0330.007-0.010
0 0.296
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Clarity

Transparent
Transparent

Kyanite Cyprine and Star Ruby Optic Character

Kyanite Cyprine and Star Ruby optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kyanite Cyprine and Star Ruby 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 Kyanite Cyprine and Star Ruby 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. Kyanite Cyprine has Biaxial/+ character.

Kyanite Cyprine and Star Ruby Transparency

Similar to their colors, Kyanite Cyprine and Star Ruby 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, Kyanite Cyprine is Transparent while Kyanite Cyprine is Transparent in appearance.