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Star Ruby
Star Ruby

Montebrasite
Montebrasite



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Star Ruby
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Montebrasite

Star Ruby and Montebrasite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentWalter Schumann

Refractive Index

1.757-1.7801.578-1.646
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.007-0.0100.020-0.030
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Star Ruby and Montebrasite Optic Character

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

Similar to their colors, Star Ruby and Montebrasite 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.