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Tortoiseshell
Tortoiseshell

Elaeolite
Elaeolite



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Tortoiseshell
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Elaeolite

Tortoiseshell and Elaeolite Optical Properties

Optical Properties

Luster

-
Greasy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.540-1.560-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
-

Tortoiseshell and Elaeolite Optic Character

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

Tortoiseshell and Elaeolite Transparency

Similar to their colors, Tortoiseshell and Elaeolite 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, Tortoiseshell is while Tortoiseshell is in appearance.