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Zircon
Zircon

Afghanite
Afghanite



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Zircon
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Afghanite

Zircon and Afghanite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Weak
-

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.810-2.0241.523
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.047-0.0550.006
0 0.296
👆🏻

Clarity

Transparent
Transparent

Zircon and Afghanite Optic Character

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

Zircon and Afghanite Transparency

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