×

Charoite
Charoite

Beryl
Beryl



ADD
Compare
X
Charoite
X
Beryl

Charoite and Beryl Optical Properties

Add ⊕

Optical Properties

Luster

Pearly, Chatoyant
Vitreous, Resinous

Pleochroism

-
Weak to distinct

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Transparent to opaque

Refractive Index

1.545-1.5601.560-1.604
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Hexagonal

Birefringence

0.0090.0040-0.0070
0 0.296
👆🏻

Clarity

Translucent
Transparent

Charoite and Beryl Optic Character

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

Charoite and Beryl Transparency

Similar to their colors, Charoite and Beryl 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, Charoite is Translucent while Charoite is Translucent in appearance.