×

Akoya pearl
Akoya pearl
☒

Zoisite
Zoisite
☒



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X
Akoya pearl
X
Zoisite

Akoya pearl and Zoisite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.16
-
-9999
-
-
-9999
-
 
Vitreous
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
0.02
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
1.685-1.707
-
Orthorhombic
0.006-0.018
Transparent

Akoya pearl and Zoisite Optic Character

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

Similar to their colors, Akoya pearl and Zoisite 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.