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Nephrite
Nephrite

Azurmalachite
Azurmalachite



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Nephrite
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Azurmalachite

Nephrite and Azurmalachite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
None
0.01
Translucent
1.600-1.627
-
monoclinic
0.027
Translucent
 
Vitreous, Silky
-
0.07
Translucent
1.655-1.909
Biaxial/+
monoclinic
0.108-0.254
Translucent

Nephrite and Azurmalachite Optic Character

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

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