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Sunstone and Swiss blue topaz Optical Properties


Swiss blue topaz and Sunstone Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Weak or absentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Not Available   

Refractive Index
1.53-1.55   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.007-0.010   
Not Available   

Clarity
Transparent to translucent   
Not Available   

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Sunstone and Swiss blue topaz Optic Character

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

Similar to their colors, Sunstone and Swiss blue topaz 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, Sunstone is Translucent, Transparent and Transparent to translucent while Sunstone is Translucent, Transparent and Transparent to translucent in appearance.

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