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Seraphinite and Gahnite Optical Properties


Gahnite and Seraphinite Optical Properties


Optical Properties

Luster
Pearly, Greasy   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.571-1.597   
1.790-1.818   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Not Available   
cubic   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Seraphinite and Gahnite Optic Character

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

Similar to their colors, Seraphinite and Gahnite 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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