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Zircon
Zircon

Erythrite
Erythrite



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Zircon
X
Erythrite

Zircon and Erythrite Optical Properties

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Optical Properties

Luster

Adamantine
Subadamantine, Pearly

Pleochroism

Weak
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.040.03
0.005 1
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Transparency

Transparent
-

Refractive Index

1.810-2.0241.626-1.629
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.047-0.055-9999
0 0.296
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Clarity

Transparent
-

Zircon and Erythrite Optic Character

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

Similar to their colors, Zircon and Erythrite 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.