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Tortoiseshell
Tortoiseshell

Johachidolite
Johachidolite



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Tortoiseshell
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Johachidolite

Tortoiseshell and Johachidolite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.540-1.5601.717-1.724
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.007
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Tortoiseshell and Johachidolite Optic Character

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

Similar to their colors, Tortoiseshell and Johachidolite 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.