Home
Gemstones


Verdelite and Sapphire Optical Properties


Sapphire and Verdelite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
Strong: dark green yellow   
Strong   

Dispersion
0.02   
22
0.02   
21

Transparency
Transparent, Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.614-1.666   
1.762-1.788   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.014-0.040   
0.008-0.009   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Verdelite and Sapphire Optic Character

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

Verdelite and Sapphire Transparency

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

Green Gemstones

Green Gemstones


Compare Green Gemstones