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Star Ruby
Star Ruby

Variscite
Variscite



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Star Ruby
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Variscite

Star Ruby and Variscite Optical Properties

Optical Properties

Luster

-
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.757-1.7801.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.007-0.0100.031
0 0.296
👆🏻

Clarity

Transparent
Translucent

Star Ruby and Variscite Optic Character

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

Similar to their colors, Star Ruby and Variscite 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.