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Anorthite
Anorthite

Garnet
Garnet



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Anorthite
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Garnet

Anorthite and Garnet Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

colorless.
None

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Transparent to translucent

Refractive Index

1.575-1.5881.730-1.895
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Trigonal

Birefringence

0.012-0.013-9999
0 0.296
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Clarity

Transparent
Transparent

Anorthite and Garnet Optic Character

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

Similar to their colors, Anorthite and Garnet 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.