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Anorthite
Anorthite

Anglesite
Anglesite



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Anorthite
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Anglesite

Anorthite and Anglesite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
colorless.
0.01
Transparent
1.575-1.588
-
Triclinic
0.012-0.013
Transparent
 
Adamantine
-
0.04
Transparent
1.877-1.894
-
Orthorhombic
0.017
Transparent

Anorthite and Anglesite Optic Character

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

Similar to their colors, Anorthite and Anglesite 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 while Anorthite is in appearance.