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Kashmir sapphire
Kashmir sapphire

Ruby
Ruby



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Kashmir sapphire
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Ruby

Kashmir sapphire and Ruby Optical Properties

Optical Properties

Luster

-
Vitreous, Adamantine

Pleochroism

-
Strong: purplish-red

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.762-1.778
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.008
0 0.296
👆🏻

Clarity

-
Transparent

Kashmir sapphire and Ruby Optic Character

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

Kashmir sapphire and Ruby Transparency

Similar to their colors, Kashmir sapphire 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, Kashmir sapphire is while Kashmir sapphire is in appearance.