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Torbanite
Torbanite

Vesuvianite
Vesuvianite



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Torbanite
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Vesuvianite

Torbanite and Vesuvianite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
slight in colored varieties

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

-
-

Torbanite and Vesuvianite Optic Character

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

Torbanite and Vesuvianite Transparency

Similar to their colors, Torbanite and Vesuvianite 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, Torbanite is while Torbanite is in appearance.