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Charoite
Charoite

Anhydrite
Anhydrite



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Charoite
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Anhydrite

Charoite and Anhydrite Optical Properties

Optical Properties

Luster

Pearly, Chatoyant
Pearly, Greasy

Pleochroism

-
For violet varieties

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.545-1.5601.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.0090.042-0.044
0 0.296
👆🏻

Clarity

Translucent
Transparent

Charoite and Anhydrite Optic Character

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

Similar to their colors, Charoite and Anhydrite 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.