Home
Gemstones


Alexandrite and Moss Agate Optical Properties


Moss Agate and Alexandrite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent, Transparent to nearly opaque   
TranslucentWalter Schumann, Gemstones of the world (2001)   

Refractive Index
1.739-1.770   
1.530-1.540   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.007-0.010   
0.004   

Clarity
Transparent   
TranslucentWalter Schumann   

Benefits >>
<< Physical Properties

Alexandrite and Moss Agate Optic Character

Alexandrite and Moss Agate optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Alexandrite and Moss Agate 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 Alexandrite and Moss Agate 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. Alexandrite has Biaxial/+ character.

Compare Gems for Scorpio

Alexandrite and Moss Agate Transparency

Similar to their colors, Alexandrite and Moss Agate 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, Alexandrite is Transparent and Transparent to nearly opaque while Alexandrite is Transparent and Transparent to nearly opaque in appearance.

Gems for Scorpio

Gems for Scorpio


Compare Gems for Scorpio