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Sugilite and Kunzite Optical Properties


Kunzite and Sugilite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Weak   
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Transparent   

Refractive Index
1.607-1.612   
1.657-1.681   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
monoclinic   

Birefringence
0.003   
0.014-0.016   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Sugilite and Kunzite Optic Character

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

Similar to their colors, Sugilite and Kunzite 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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