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Ruby and Tigers Eye Optical Properties


Tigers Eye and Ruby Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Silky   

Pleochroism
Strong: purplish-red   
Not Available   

Dispersion
0.02   
21
None   

Transparency
Transparent, Translucent, Transparent to opaque   
Opaque   

Refractive Index
1.762-1.778   
1.534-1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
0.008   
Not Available   

Clarity
Transparent   
Gemstones of the world (2001) More from other references   

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Ruby and Tigers Eye Optic Character

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

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Ruby and Tigers Eye Transparency

Similar to their colors, Ruby and Tigers 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.

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