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Serpentine
Serpentine

Sugilite
Sugilite



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Serpentine
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Sugilite

Serpentine and Sugilite Optical Properties

Optical Properties

Luster

Vitreous, Greasy, Silky
Vitreous

Pleochroism

-
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.560-1.5711.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.008-0.0140.003
0 0.296
👆🏻

Clarity

Translucent
Translucent

Serpentine and Sugilite Optic Character

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

Serpentine and Sugilite Transparency

Similar to their colors, Serpentine and Sugilite 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, Serpentine is Translucent while Serpentine is Translucent in appearance.