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Gedrite
Gedrite

Vesuvianite
Vesuvianite



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Gedrite
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Vesuvianite

Gedrite and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

Weak to moderate
slight in colored varieties

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.625-1.7181.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Gedrite and Vesuvianite Optic Character

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

Gedrite and Vesuvianite Transparency

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