×

Afghanite
Afghanite

Akoya pearl
Akoya pearl



ADD
Compare
X
Afghanite
X
Akoya pearl

Afghanite and Akoya pearl Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.020.16
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.523-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.006-9999
0 0.296
👆🏻

Clarity

Transparent
-

Afghanite and Akoya pearl Optic Character

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

Afghanite and Akoya pearl Transparency

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