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Bort
Bort

Tanzanite
Tanzanite



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Bort
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Tanzanite

Bort and Tanzanite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Present

Dispersion

-0.03
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.685-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.006-0.018
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Bort and Tanzanite Optic Character

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

Similar to their colors, Bort and Tanzanite 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.