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Serpentine
Serpentine

Franklinite
Franklinite



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Serpentine
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Franklinite

Serpentine and Franklinite Optical Properties

Optical Properties

Luster

Vitreous, Greasy, Silky
-

Pleochroism

-
-

Dispersion

0.010.19
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.560-1.571-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

0.008-0.014-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Serpentine and Franklinite Optic Character

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

Similar to their colors, Serpentine and Franklinite 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.