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Tavorite
Tavorite

Tortoiseshell
Tortoiseshell



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Tavorite
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Tortoiseshell

Tavorite and Tortoiseshell Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Yellow-green colorlessAnthony et al
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

11.540-1.560
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
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Clarity

Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Tavorite and Tortoiseshell Optic Character

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

Similar to their colors, Tavorite and Tortoiseshell 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.