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Almandine
Almandine

Uvarovite
Uvarovite



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Almandine
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Uvarovite

Almandine and Uvarovite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.770-1.8201.87
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
cubic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Almandine and Uvarovite Optic Character

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

Almandine and Uvarovite Transparency

Similar to their colors, Almandine 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, Almandine is while Almandine is in appearance.