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Sellaite
Sellaite

Uvarovite
Uvarovite



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Sellaite
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Uvarovite

Sellaite and Uvarovite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.378-1.3901.87
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
cubic

Birefringence

0.012-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Sellaite and Uvarovite Optic Character

Sellaite and Uvarovite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sellaite and Uvarovite 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 Sellaite and Uvarovite 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.

Sellaite and Uvarovite Transparency

Similar to their colors, Sellaite and Uvarovite 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, Sellaite is Transparent while Sellaite is Transparent in appearance.