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Anorthite
Anorthite

Vesuvianite
Vesuvianite



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Anorthite
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Vesuvianite

Anorthite and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

colorless.
slight in colored varieties

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.575-1.5881.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
tetragonal

Birefringence

0.012-0.0130.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Anorthite and Vesuvianite Optic Character

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

Anorthite and Vesuvianite Transparency

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