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Bort
Bort

Verdelite
Verdelite



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Bort
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Verdelite

Bort and Verdelite Optical Properties

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Optical Properties

Luster

-
-

Pleochroism

-
Strong: dark green yellow

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

-99991.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Bort and Verdelite Optic Character

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

Bort and Verdelite Transparency

Similar to their colors, Bort and Verdelite 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, Bort is while Bort is in appearance.