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Nephrite
Nephrite

Viridine
Viridine



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Nephrite
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Viridine

Nephrite and Viridine Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

None
-

Dispersion

0.010.02
0.005 1
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Transparency

Translucent
Transparent, Translucent

Refractive Index

1.600-1.6271.629-1.660
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.0270.007-0.013
0 0.296
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Clarity

Translucent
Transparent

Nephrite and Viridine Optic Character

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

Nephrite and Viridine Transparency

Similar to their colors, Nephrite and Viridine 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, Nephrite is Translucent while Nephrite is Translucent in appearance.