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London blue topaz and Povondraite Optical Properties


Povondraite and London blue topaz Optical Properties


Optical Properties

Luster
Not Available   
Resinous   

Pleochroism
Not Available   
Strong: yellow-brown   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Translucent   

Refractive Index
Not Available   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Translucent   

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<< Physical Properties

London blue topaz and Povondraite Optic Character

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

Similar to their colors, London blue topaz and Povondraite 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, London blue topaz is Not Available while London blue topaz is Not Available in appearance.

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