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Rutile and Sodalite Optical Properties


Sodalite and Rutile Optical Properties


Optical Properties

Luster
Adamantine   
Greasy   

Pleochroism
Weak to distinct brownish red-green-yellow   
AbsentWalter Schumann   

Dispersion
Not Available   
0.02   
21

Transparency
Transparent, Translucent   
Transparent, Translucent, Opaque   

Refractive Index
2.609-2.903   
1.478-1.488   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
cubic   

Birefringence
0.296   
Not Available   

Clarity
Transparent   
Transparent   

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Rutile and Sodalite Optic Character

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

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

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