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Anorthite
Anorthite

Verdite
Verdite



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Anorthite
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Verdite

Anorthite and Verdite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Silky

Pleochroism

colorless.
Extreme

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.575-1.5881.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.012-0.013-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Anorthite and Verdite Optic Character

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

Similar to their colors, Anorthite and Verdite 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.