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Hexagonite
Hexagonite

Elbaite
Elbaite



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Hexagonite
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Elbaite

Hexagonite and Elbaite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

bluish–red
Pale green

Dispersion

-0.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.599-1.6371.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.019-0.0280.014-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Hexagonite and Elbaite Optic Character

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

Hexagonite and Elbaite Transparency

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