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Kyanite Cyprine
Kyanite Cyprine

Ruby
Ruby



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Kyanite Cyprine
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Ruby

Kyanite Cyprine and Ruby Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

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

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.710-1.7351.762-1.778
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

-
Trigonal

Birefringence

0.012-0.0330.008
0 0.296
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Clarity

Transparent
Transparent

Kyanite Cyprine and Ruby Optic Character

Kyanite Cyprine and Ruby optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kyanite Cyprine and 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 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 Ruby Transparency

Similar to their colors, Kyanite Cyprine and 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.