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Nephrite
Nephrite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Nephrite
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Vesuvianite Idocrase

Nephrite and Vesuvianite Idocrase 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
 
-
-
0.02
Transparent
1.700-1.725
Uniaxial/-
-
0.002-0.012
Transparent

Nephrite and Vesuvianite Idocrase Optic Character

Nephrite and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nephrite and Vesuvianite Idocrase 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 Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

Nephrite and Vesuvianite Idocrase Transparency

Similar to their colors, Nephrite and Vesuvianite Idocrase 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.