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Pyrophyllite
Pyrophyllite

Anorthite
Anorthite



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Pyrophyllite
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Anorthite

Pyrophyllite and Anorthite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.534-1.6011.575-1.588
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0500.012-0.013
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pyrophyllite and Anorthite Optic Character

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

Pyrophyllite and Anorthite Transparency

Similar to their colors, Pyrophyllite 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.