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Sodalite and Diaspore Optical Properties


Diaspore and Sodalite Optical Properties


Optical Properties

Luster
Greasy   
Pearly   

Pleochroism
AbsentWalter Schumann   
Strong   

Dispersion
0.02   
21
Not Available   

Transparency
Transparent, Translucent, Opaque   
Transparent   

Refractive Index
1.478-1.488   
1.702-1.750   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Orthorhombic   

Birefringence
Not Available   
0.048   

Clarity
Transparent   
Transparent   

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Sodalite and Diaspore Optic Character

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

Similar to their colors, Sodalite and Diaspore 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, Sodalite is Opaque, Translucent and Transparent while Sodalite is Opaque, Translucent and Transparent in appearance.

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