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Povondraite and Sapphire Optical Properties


Sapphire and Povondraite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
Strong: yellow-brown   
Strong   

Dispersion
Not Available   
0.02   
21

Transparency
Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
Not Available   
1.762-1.788   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.008-0.009   

Clarity
Translucent   
Transparent   

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Povondraite and Sapphire Optic Character

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

Similar to their colors, Povondraite and Sapphire 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, Povondraite is Translucent while Povondraite is Translucent in appearance.

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