Home
Gemstones


Nephrite and Labradorite Optical Properties


Labradorite and Nephrite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Vitreous, Pearly   

Pleochroism
None   
From the Congo   

Dispersion
Not Available   
0.01   
28

Transparency
Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.600-1.627   
1.554-1.573   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Triclinic   

Birefringence
0.027   
0.008-0.010   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Nephrite and Labradorite Optic Character

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

Nephrite and Labradorite Transparency

Similar to their colors, Nephrite and Labradorite 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, Nephrite is Translucent while Nephrite is Translucent in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones