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Serpentine
Serpentine

Feldspar
Feldspar



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Serpentine
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Feldspar

Serpentine and Feldspar Optical Properties

Optical Properties

Luster

Vitreous, Greasy, Silky
Vitreous

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.560-1.5711.518-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic or monoclinic

Birefringence

0.008-0.0140.008-0.010
0 0.296
👆🏻

Clarity

Translucent
Transparent

Serpentine and Feldspar Optic Character

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

Similar to their colors, Serpentine and Feldspar 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.