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Sogdianite
Sogdianite

Smithsonite
Smithsonite



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Sogdianite
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Smithsonite

Sogdianite and Smithsonite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
1.606-1.608
-
-
0.002
OpaqueUlrich Henn and Claudio C. Milisenda
 
Vitreous, Pearly
-
0.01
Translucent
1.620-1.850
-
Trigonal
0.223-0.227
Translucent

Sogdianite and Smithsonite Optic Character

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

Sogdianite and Smithsonite Transparency

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