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Mottramite
Mottramite

Cat s Eye
Cat s Eye



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Mottramite
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Cat s Eye

Mottramite and Cat s Eye Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy
Visible X=Y= canary yellow to greenish yellow
0.04
-
2.170
-
Orthorhombic
0.150
-
 
Vitreous
-
0.02
Translucent
1.744-1.755
-
Orthorhombic
-9999
Translucent

Mottramite and Cat s Eye Optic Character

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

Mottramite and Cat s Eye Transparency

Similar to their colors, Mottramite 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, Mottramite is while Mottramite is in appearance.