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Serpentine
Serpentine

Onyx
Onyx



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Serpentine
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Onyx

Serpentine and Onyx Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Greasy, Silky
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Translucent, Opaque, Translucent to opaque
1.5 Refractive Index
1.560-1.571
1.530-1.543
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.008-0.014
Not Available
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Serpentine and Onyx Optic Character

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

Similar to their colors, Serpentine and Onyx 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.