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Nepouite
Nepouite

Benitoite
Benitoite



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Nepouite
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Benitoite

Nepouite and Benitoite Optical Properties

Optical Properties

Luster

Waxy, Pearly
Vitreous

Pleochroism

Weak
O = colorless; E = purple

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.600-1.6301.757-1.804
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

-99990.047
0 0.296
👆🏻

Clarity

-
Transparent

Nepouite and Benitoite Optic Character

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

Similar to their colors, Nepouite and Benitoite 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.