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Kainite and Tortoiseshell Optical Properties


Tortoiseshell and Kainite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Visible: X = violet   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gemmological Tables (2004)   

Refractive Index
1.494   
1.540-1.560   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.022   
Not Available   

Clarity
Not Available   
OpaqueUlrich Henn and Claudio C. Milisenda   

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Kainite and Tortoiseshell Optic Character

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

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Kainite and Tortoiseshell Transparency

Similar to their colors, Kainite 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, Kainite is Not Available while Kainite is Not Available in appearance.

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