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Tortoiseshell
Tortoiseshell

Ajoite
Ajoite



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Tortoiseshell
X
Ajoite

Tortoiseshell and Ajoite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
X: very light bluish green; Y and Z: brilliant bluish green

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.540-1.5601.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.091
0 0.296
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Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
-

Tortoiseshell and Ajoite Optic Character

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

Similar to their colors, Tortoiseshell and Ajoite 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.