Home
Gemstones


Obsidian and Chrysoberyl Optical Properties


Chrysoberyl and Obsidian Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
X = red; Y = yellow-orange; Z = emerald-green   

Dispersion
0.01   
29
0.02   
24

Transparency
Transparent, Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.450-1.550   
1.746-1.763   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Amorphous   
Orthorhombic   

Birefringence
Not Available   
0.007-0.013   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Obsidian and Chrysoberyl Optic Character

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

Compare Gems for Sagittarius

Obsidian and Chrysoberyl Transparency

Similar to their colors, Obsidian and Chrysoberyl 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, Obsidian is Translucent and Transparent while Obsidian is Translucent and Transparent in appearance.

Gems for Sagittarius

Gems for Sagittarius


Compare Gems for Sagittarius