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Zircon
Zircon

Gedrite
Gedrite



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Zircon
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Gedrite

Zircon and Gedrite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Weak
Weak to moderate

Dispersion

0.040.02
0.005 1
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Transparency

Transparent
Transparent

Refractive Index

1.810-2.0241.625-1.718
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.047-0.055-9999
0 0.296
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Clarity

Transparent
Transparent

Zircon and Gedrite Optic Character

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

Similar to their colors, Zircon and Gedrite 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.