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Star Ruby
Star Ruby

Omphacite
Omphacite



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Star Ruby
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Omphacite

Star Ruby and Omphacite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak: colorless -- very pale green -- very pale green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentAnthony et al

Refractive Index

1.757-1.7801.662-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.007-0.010-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentAnthony et al

Star Ruby and Omphacite Optic Character

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

Similar to their colors, Star Ruby and Omphacite 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.