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Tavorite
Tavorite

Sugilite
Sugilite



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Tavorite
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Sugilite

Tavorite and Sugilite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Yellow-green colorlessAnthony et al
Weak

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
Translucent

Refractive Index

11.607-1.612
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-99990.003
0 0.296
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Clarity

Transparent
Translucent

Tavorite and Sugilite Optic Character

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

Tavorite and Sugilite Transparency

Similar to their colors, Tavorite 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, Tavorite is Transparent while Tavorite is Transparent in appearance.