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Amethyst
Amethyst

Uvarovite Garnet
Uvarovite Garnet



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Amethyst
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Uvarovite Garnet

Amethyst and Uvarovite Garnet Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

None
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.544-1.5531.860-1.870
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent to translucent

Amethyst and Uvarovite Garnet Optic Character

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

Amethyst and Uvarovite Garnet Transparency

Similar to their colors, Amethyst and Uvarovite Garnet 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.