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Tortoiseshell
Tortoiseshell

Garnet Mali
Garnet Mali



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Tortoiseshell
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Garnet Mali

Tortoiseshell and Garnet Mali Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.540-1.5601.72-1.75
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
-

Tortoiseshell and Garnet Mali Optic Character

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

Similar to their colors, Tortoiseshell and Garnet Mali 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.