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Amethyst
Amethyst

Narsarsukite
Narsarsukite



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Amethyst
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Narsarsukite

Amethyst and Narsarsukite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

None
Weak; O = colorless to yellow; E = colorless to honey-yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent, Translucent

Refractive Index

1.544-1.5531.610-1.647
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
tetragonal

Birefringence

0.0090.021
0 0.296
👆🏻

Clarity

Transparent
Transparent

Amethyst and Narsarsukite Optic Character

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

Amethyst and Narsarsukite Transparency

Similar to their colors, Amethyst and Narsarsukite 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.