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Zircon
Zircon

Montebrasite
Montebrasite



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Zircon
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Montebrasite

Zircon and Montebrasite Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

Weak
-

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
TransparentWalter Schumann

Refractive Index

1.810-2.0241.578-1.646
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.047-0.0550.020-0.030
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Zircon and Montebrasite Optic Character

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

Similar to their colors, Zircon and Montebrasite 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.