Home
Gemstones


Sapphire and Uvarovite Optical Properties


Uvarovite and Sapphire Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Vitreous   

Pleochroism
Strong   
Not Available   

Dispersion
0.02   
21
0.01   
26

Transparency
Transparent, Translucent, Transparent to opaque   
Translucent   

Refractive Index
1.762-1.788   
1.87   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
cubic   

Birefringence
0.008-0.009   
Not Available   

Clarity
Transparent   
Translucent   

Benefits >>
<< Physical Properties

Sapphire and Uvarovite Optic Character

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

Compare Birthstones

Sapphire and Uvarovite Transparency

Similar to their colors, Sapphire 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones