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Chalcedony
Chalcedony

Cat s Eye
Cat s Eye



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Chalcedony
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Cat s Eye

Chalcedony and Cat s Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Translucent
1.5 Refractive Index
1.530-1.5431.744-1.755
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Chalcedony and Cat s Eye Optic Character

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

Chalcedony and Cat s Eye Transparency

Similar to their colors, Chalcedony 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.