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Star Ruby
Star Ruby

Tantalite
Tantalite



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Star Ruby
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Tantalite

Star Ruby and Tantalite Optical Properties

Optical Properties

Luster

-
Resinous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentWalter Schumann

Refractive Index

1.757-1.7802.190-2.457
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.007-0.0100.083
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Star Ruby and Tantalite Optic Character

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

Similar to their colors, Star Ruby and Tantalite 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.