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Uvarovite
Uvarovite

Amazonite
Amazonite



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Uvarovite
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Amazonite

Uvarovite and Amazonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
Translucent, Translucent to opaque

Refractive Index

1.871.522-1.530
1 3.25
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Optic Character

-
-

Crystal System

cubic
Triclinic

Birefringence

-99990.008-0.010
0 0.296
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Clarity

Translucent
Translucent

Uvarovite and Amazonite Optic Character

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

Uvarovite and Amazonite Transparency

Similar to their colors, Uvarovite and Amazonite 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, Uvarovite is Translucent while Uvarovite is Translucent in appearance.