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Povondraite and Cavansite Optical Properties


Cavansite and Povondraite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous, Pearly   

Pleochroism
Strong: yellow-brown   
Visible: X=Z= colorless Y= blue   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
Not Available   
1.542   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.009   

Clarity
Translucent   
Not Available   

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Povondraite and Cavansite Optic Character

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

Similar to their colors, Povondraite and Cavansite 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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