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Nepouite
Nepouite

Vesuvianite
Vesuvianite



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Nepouite
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Vesuvianite

Nepouite and Vesuvianite Optical Properties

Optical Properties

Luster

Waxy, Pearly
Vitreous, Resinous

Pleochroism

Weak
slight in colored varieties

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.600-1.6301.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

-
-

Nepouite and Vesuvianite Optic Character

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

Nepouite and Vesuvianite Transparency

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