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Grossular
Grossular

Zircon
Zircon



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Grossular
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Zircon

Grossular and Zircon Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Adamantine

Pleochroism

None
Weak

Dispersion

0.020.04
0.005 1
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Transparency

-
Transparent

Refractive Index

1.730-1.7601.810-2.024
1 3.25
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Optic Character

-
-

Crystal System

cubic
tetragonal

Birefringence

0.0200.047-0.055
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Grossular and Zircon Optic Character

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

Grossular and Zircon Transparency

Similar to their colors, Grossular and Zircon 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, Grossular is while Grossular is in appearance.