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Cat s Eye
Cat s Eye

Thulite
Thulite



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Cat s Eye
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Thulite

Cat s Eye and Thulite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.744-1.7551.695
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
Not Available0.006-0.018
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Cat s Eye and Thulite Optic Character

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

Similar to their colors, Cat s Eye and Thulite 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.