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Zircon
Zircon

Peridot
Peridot



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Zircon
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Peridot

Zircon and Peridot Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous, Greasy

Pleochroism

Weak
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.040.02
0.005 1
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Transparency

Transparent
Transparent

Refractive Index

1.810-2.0241.64-1.69
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.047-0.0550.036
0 0.296
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Clarity

Transparent
Transparent

Zircon and Peridot Optic Character

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

Similar to their colors, Zircon and Peridot 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.