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Goshenite and Sugilite Optical Properties


Sugilite and Goshenite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.562-1.615   
1.607-1.612   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Hexagonal   

Birefringence
0.003-0.010   
0.003   

Clarity
Transparent   
Translucent   

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Goshenite and Sugilite Optic Character

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

Similar to their colors, Goshenite and Sugilite 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, Goshenite is Transparent while Goshenite is Transparent in appearance.

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