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Nepouite
Nepouite

Labradorite
Labradorite



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Nepouite
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Labradorite

Nepouite and Labradorite Optical Properties

Optical Properties

Luster

Waxy, Pearly
Vitreous, Pearly

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.600-1.6301.554-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

-
Transparent

Nepouite and Labradorite Optic Character

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

Similar to their colors, Nepouite and Labradorite 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.