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Augelite
Augelite

Elbaite
Elbaite



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Augelite
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Elbaite

Augelite and Elbaite Optical Properties

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Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Pale green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.570-1.5911.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.020-0.0210.014-0.032
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Augelite and Elbaite Optic Character

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

Augelite and Elbaite Transparency

Similar to their colors, Augelite 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, Augelite is while Augelite is in appearance.