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Feldspar
Feldspar

Anorthite
Anorthite



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Feldspar
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Anorthite

Feldspar and Anorthite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.518-1.5701.575-1.588
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Triclinic
1.8 Birefringence
0.008-0.0100.012-0.013
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Feldspar and Anorthite Optic Character

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

Feldspar and Anorthite Transparency

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