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Sugilite and Childrenite Optical Properties


Childrenite and Sugilite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Resinous   

Pleochroism
Weak   
visible   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent   

Refractive Index
1.607-1.612   
1.639-1.672   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.003   
0.027-0.042   

Clarity
Translucent   
Transparent   

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<< Physical Properties

Sugilite and Childrenite Optic Character

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

Similar to their colors, Sugilite and Childrenite 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, Sugilite is Translucent while Sugilite is Translucent in appearance.

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