Home
Gemstones


Amazonite and Alexandrite Optical Properties


Alexandrite and Amazonite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
WeakMichael O’Donoghue   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Translucent, Translucent to opaque   
Transparent, Transparent to nearly opaque   

Refractive Index
1.522-1.530   
1.739-1.770   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Triclinic   
Orthorhombic   

Birefringence
0.008-0.010   
0.007-0.010   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Amazonite and Alexandrite Optic Character

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

Amazonite and Alexandrite Transparency

Similar to their colors, Amazonite and Alexandrite 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.

Gems for Virgo

Gems for Virgo


Compare Gems for Virgo