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Ruby and Wulfenite Optical Properties


Wulfenite and Ruby Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Adamantine, Resinous   

Pleochroism
Strong: purplish-red   
Weak   

Dispersion
0.02   
21
Not Available   

Transparency
Transparent, Translucent, Transparent to opaque   
Transparent   

Refractive Index
1.762-1.778   
2.280-2.405   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
tetragonal   

Birefringence
0.008   
0.122   

Clarity
Transparent   
Transparent   

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Ruby and Wulfenite Optic Character

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

Similar to their colors, Ruby and Wulfenite 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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