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Afghanite
Afghanite

Bytownite
Bytownite



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Afghanite
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Bytownite

Afghanite and Bytownite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.5231.561-1.583
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

0.0060.010-0.011
0 0.296
👆🏻

Clarity

Transparent
Transparent

Afghanite and Bytownite Optic Character

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

Similar to their colors, Afghanite and Bytownite 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.