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Akoya pearl
Akoya pearl

Smithsonite
Smithsonite



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Akoya pearl
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Smithsonite

Akoya pearl and Smithsonite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.16
-
-9999
-
-
-9999
-
 
Vitreous, Pearly
-
0.01
Translucent
1.620-1.850
-
Trigonal
0.223-0.227
Translucent

Akoya pearl and Smithsonite Optic Character

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

Akoya pearl and Smithsonite Transparency

Similar to their colors, Akoya pearl 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, Akoya pearl is while Akoya pearl is in appearance.