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Narsarsukite
Narsarsukite

Hackmanite
Hackmanite



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Narsarsukite
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Hackmanite

Narsarsukite and Hackmanite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

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

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.610-1.6471.483-1.487
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Narsarsukite and Hackmanite Optic Character

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

Similar to their colors, Narsarsukite and Hackmanite 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.