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Vesuvianite Idocrase
Vesuvianite Idocrase

Phosgenite
Phosgenite



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Vesuvianite Idocrase
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Phosgenite

Vesuvianite Idocrase and Phosgenite Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

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

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.700-1.7252.117-2.145
1 3.25
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Optic Character

Uniaxial/-
-

Crystal System

-
tetragonal

Birefringence

0.002-0.0120.027
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Vesuvianite Idocrase and Phosgenite Optic Character

Vesuvianite Idocrase and Phosgenite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vesuvianite Idocrase and Phosgenite 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 Vesuvianite Idocrase and Phosgenite 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. Vesuvianite Idocrase has Uniaxial/- character.

Vesuvianite Idocrase and Phosgenite Transparency

Similar to their colors, Vesuvianite Idocrase and Phosgenite 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, Vesuvianite Idocrase is Transparent while Vesuvianite Idocrase is Transparent in appearance.