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Kyanite
Kyanite

Ruby Zoisite
Ruby Zoisite



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Kyanite
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Ruby Zoisite

Kyanite and Ruby Zoisite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

Trichroic
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.71-1.74-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Kyanite and Ruby Zoisite Optic Character

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

Similar to their colors, Kyanite and Ruby Zoisite 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 is while Kyanite is in appearance.