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Kornerupine
Kornerupine

Star Ruby
Star Ruby



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X
Kornerupine
X
Star Ruby

Kornerupine and Star Ruby Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

X = colorless to green; Y = colorless
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.660-1.6851.757-1.780
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.012-0.0170.007-0.010
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Kornerupine and Star Ruby Optic Character

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

Kornerupine and Star Ruby Transparency

Similar to their colors, Kornerupine 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, Kornerupine is while Kornerupine is in appearance.