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Nepouite
Nepouite

Chalcedony
Chalcedony



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Nepouite
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Chalcedony

Nepouite and Chalcedony Optical Properties

Optical Properties

Luster

Waxy, Pearly
Vitreous

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent, Translucent to opaque

Refractive Index

1.600-1.6301.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-99990.003-0.009
0 0.296
👆🏻

Clarity

-
Translucent

Nepouite and Chalcedony Optic Character

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

Similar to their colors, Nepouite and Chalcedony 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.