×

Charoite
Charoite

Crocoite
Crocoite



ADD
Compare
X
Charoite
X
Crocoite

Charoite and Crocoite Optical Properties

Add ⊕

Optical Properties

Luster

Pearly, Chatoyant
Adamantine

Pleochroism

-
Distinctly trichroic

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.545-1.5602.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Charoite and Crocoite Optic Character

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

Similar to their colors, Charoite and Crocoite 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.