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Zircon
Zircon

Vesuvianite
Vesuvianite



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Zircon
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Vesuvianite

Zircon and Vesuvianite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Resinous

Pleochroism

Weak
slight in colored varieties

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.810-2.0241.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

0.047-0.0550.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Zircon and Vesuvianite Optic Character

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

Similar to their colors, Zircon and Vesuvianite 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.