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Andradite
Andradite

Vesuvianite
Vesuvianite



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Andradite
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Vesuvianite

Andradite and Vesuvianite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Vitreous, Resinous

Pleochroism

-
slight in colored varieties

Dispersion

0.060.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.88-1.941.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
tetragonal

Birefringence

0.0570.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Andradite and Vesuvianite Optic Character

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

Andradite and Vesuvianite Transparency

Similar to their colors, Andradite 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, Andradite is Transparent while Andradite is Transparent in appearance.