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Violane
Violane

Sogdianite
Sogdianite



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Violane
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Sogdianite

Violane and Sogdianite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.668-1.7031.606-1.608
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.024-0.0300.002
0 0.296
👆🏻

Clarity

Translucent
OpaqueUlrich Henn and Claudio C. Milisenda

Violane and Sogdianite Optic Character

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

Violane and Sogdianite Transparency

Similar to their colors, Violane and Sogdianite 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, Violane is Translucent while Violane is Translucent in appearance.