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Elbaite
Elbaite

Charlesite
Charlesite



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Elbaite
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Charlesite

Elbaite and Charlesite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale green
Nearly colorless to pale golden yellow

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.6661.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
-

Elbaite and Charlesite Optic Character

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

Elbaite and Charlesite Transparency

Similar to their colors, Elbaite and Charlesite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.