Home
Gemstones


Beryl and Pearl Optical Properties


Pearl and Beryl Optical Properties


Optical Properties

Luster
Vitreous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous   
Pearly   

Pleochroism
Weak to distinct   
AbsentWalter Schumann   

Dispersion
0.01   
26
None   

Transparency
Transparent, Transparent to opaque   
Translucent, Opaque   

Refractive Index
1.560-1.604   
1.52-1.66   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.0040-0.0070   
0.156   

Clarity
Transparent   
Translucent   

Benefits >>
<< Physical Properties

Beryl and Pearl Optic Character

Beryl and Pearl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Beryl and Pearl 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 Beryl and Pearl 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 Blue Gemstones

Beryl and Pearl Transparency

Similar to their colors, Beryl and Pearl 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones