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Narsarsukite
Narsarsukite

Vesuvianite
Vesuvianite



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Narsarsukite
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Vesuvianite

Narsarsukite and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Resinous

Pleochroism

Weak; O = colorless to yellow; E = colorless to honey-yellow
slight in colored varieties

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.610-1.6471.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

0.0210.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Narsarsukite and Vesuvianite Optic Character

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

Narsarsukite and Vesuvianite Transparency

Similar to their colors, Narsarsukite and Vesuvianite 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, Narsarsukite is Transparent and Translucent while Narsarsukite is Transparent and Translucent in appearance.