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Elbaite
Elbaite

Gahnospinel
Gahnospinel



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Elbaite
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Gahnospinel

Elbaite and Gahnospinel Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale green
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.6661.735-1.790
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Elbaite and Gahnospinel Optic Character

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

Similar to their colors, Elbaite and Gahnospinel 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.