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Cat s Eye
Cat s Eye

Pyrophyllite
Pyrophyllite



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Cat s Eye
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Pyrophyllite

Cat s Eye and Pyrophyllite Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

-
-

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.744-1.7551.534-1.601
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

-99990.050
0 0.296
👆🏻

Clarity

Translucent
Translucent

Cat s Eye and Pyrophyllite Optic Character

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

Cat s Eye and Pyrophyllite Transparency

Similar to their colors, Cat s Eye and Pyrophyllite 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, Cat s Eye is Translucent while Cat s Eye is Translucent in appearance.