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Uvarovite Garnet and Powellite Optical Properties


Powellite and Uvarovite Garnet Optical Properties


Optical Properties

Luster
Adamantine   
Greasy, Subadamantine   

Pleochroism
Not Available   
In deeply colored specimens: blue greenAnthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent   

Refractive Index
1.860-1.870   
1.974-1.984   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent to translucent   
Transparent   

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<< Physical Properties

Uvarovite Garnet and Powellite Optic Character

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

Similar to their colors, Uvarovite Garnet and Powellite 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, Uvarovite Garnet is Translucent, Transparent and Transparent to translucent while Uvarovite Garnet is Translucent, Transparent and Transparent to translucent in appearance.

Green Gemstones

Green Gemstones


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