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Star Ruby
Star Ruby

Cavansite
Cavansite



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Star Ruby
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Cavansite

Star Ruby and Cavansite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
Visible: X=Z= colorless Y= blue

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.757-1.7801.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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Orthorhombic

Birefringence

0.007-0.0100.009
0 0.296
👆🏻

Clarity

Transparent
-

Star Ruby and Cavansite Optic Character

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

Similar to their colors, Star Ruby and Cavansite 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.