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Adamite
Adamite

Elbaite
Elbaite



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Adamite
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Elbaite

Adamite and Elbaite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Pale green

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.708-1.7221.614-1.666
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.031-0.0500.014-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Adamite and Elbaite Optic Character

Adamite and Elbaite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

Adamite and Elbaite Transparency

Similar to their colors, Adamite 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, Adamite is Transparent while Adamite is Transparent in appearance.