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Seraphinite and Iolite Optical Properties


Iolite and Seraphinite Optical Properties


Optical Properties

Luster
Pearly, Greasy   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.571-1.597   
1.52-1.56   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent to translucent   

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Seraphinite and Iolite Optic Character

Seraphinite and Iolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Seraphinite and Iolite 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 Seraphinite and Iolite 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. Seraphinite has Biaxial/+ character.

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Seraphinite and Iolite Transparency

Similar to their colors, Seraphinite and Iolite 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, Seraphinite is Transparent while Seraphinite is Transparent in appearance.

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