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Phosgenite
Phosgenite

Zircon
Zircon



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Phosgenite
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Zircon

Phosgenite and Zircon Optical Properties

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Optical Properties

Luster

Adamantine
Adamantine

Pleochroism

Weakly pleochroic with O reddish and E greenish in thick sections.
Weak

Dispersion

0.040.04
0.005 1
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Transparency

-
Transparent

Refractive Index

2.117-2.1451.810-2.024
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

0.0270.047-0.055
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phosgenite and Zircon Optic Character

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

Phosgenite and Zircon Transparency

Similar to their colors, Phosgenite 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, Phosgenite is while Phosgenite is in appearance.