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Alabaster
Alabaster

Charoite
Charoite



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Alabaster
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Charoite

Alabaster and Charoite Optical Properties

Optical Properties

Luster

-
Pearly, Chatoyant

Pleochroism

-
-

Dispersion

-0.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.520-1.5301.545-1.560
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

0.0100.009
0 0.296
👆🏻

Clarity

Translucent
Translucent

Alabaster and Charoite Optic Character

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

Alabaster and Charoite Transparency

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