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Nepouite
Nepouite

Inderite
Inderite



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Nepouite
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Inderite

Nepouite and Inderite Optical Properties

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Optical Properties

Luster

Waxy, Pearly
Vitreous, Pearly, Greasy

Pleochroism

Weak
-

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.600-1.6301.488-1.505
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

-99990.017
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Nepouite and Inderite Optic Character

Nepouite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nepouite and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Nepouite and Inderite Transparency

Similar to their colors, Nepouite and Inderite 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.