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Star Ruby
Star Ruby

Star Sapphire
Star Sapphire



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Star Ruby
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Star Sapphire

Star Ruby and Star Sapphire Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.757-1.7801.758-1.780
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.007-0.0100.007-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Star Ruby and Star Sapphire Optic Character

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

Star Ruby and Star Sapphire Transparency

Similar to their colors, Star Ruby and Star Sapphire 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, Star Ruby is Transparent and Translucent while Star Ruby is Transparent and Translucent in appearance.