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Nepouite
Nepouite

Eudialyte
Eudialyte



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Nepouite
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Eudialyte

Nepouite and Eudialyte Optical Properties

Optical Properties

Luster

Waxy, Pearly
Vitreous

Pleochroism

Weak
Weak: O= colorless

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.600-1.6301.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-99990.003-0.010
0 0.296
👆🏻

Clarity

-
Translucent

Nepouite and Eudialyte Optic Character

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

Similar to their colors, Nepouite and Eudialyte 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.