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Star Ruby
Star Ruby

Covellite
Covellite



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Star Ruby
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Covellite

Star Ruby and Covellite Optical Properties

Optical Properties

Luster

-
Resinous

Pleochroism

-
Marked

Dispersion

0.020.08
0.005 1
👆🏻

Transparency

Transparent, Translucent
OpaqueAnthony et al

Refractive Index

1.757-1.7801.45-2.62
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.007-0.010-9999
0 0.296
👆🏻

Clarity

Transparent
OpaqueAnthony et al

Star Ruby and Covellite Optic Character

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

Similar to their colors, Star Ruby and Covellite 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.