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Faustite
Faustite

Cat s Eye
Cat s Eye



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Faustite
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Cat s Eye

Faustite and Cat s Eye Optical Properties

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.6121.744-1.755
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Faustite and Cat s Eye Optic Character

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

Faustite and Cat s Eye Transparency

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