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Povondraite and Emerald Optical Properties


Emerald and Povondraite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous   

Pleochroism
Strong: yellow-brown   
Strong dichroism: yellow green Lazzarelli   

Dispersion
Not Available   
0.01   
26

Transparency
Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
Not Available   
1.565-1.602   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
Not Available   
0.0040-0.0070   

Clarity
Translucent   
Color grading system   

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Povondraite and Emerald Optic Character

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

Similar to their colors, Povondraite and Emerald 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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