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Afghanite
Afghanite

Labradorite
Labradorite



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Afghanite
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Labradorite

Afghanite and Labradorite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.5231.554-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

0.0060.008-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Afghanite and Labradorite Optic Character

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

Similar to their colors, Afghanite and Labradorite 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.