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Narsarsukite
Narsarsukite

Parisite
Parisite



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Narsarsukite
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Parisite

Narsarsukite and Parisite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

Weak; O = colorless to yellow; E = colorless to honey-yellow
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.610-1.6471.671-1.771
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.0210.099-0.100
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Narsarsukite and Parisite Optic Character

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

Similar to their colors, Narsarsukite and Parisite 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.