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Tortoiseshell and Tektite Optical Properties


Tektite and Tortoiseshell Optical Properties


Optical Properties

Luster
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Pleochroism
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Dispersion
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Transparency
Gemmological Tables (2004)   
Not Available   

Refractive Index
1.540-1.560   
1.490-1.520   

Optic Character
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Crystal System
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Birefringence
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Clarity
OpaqueUlrich Henn and Claudio C. Milisenda   
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<< Physical Properties

Tortoiseshell and Tektite Optic Character

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

Similar to their colors, Tortoiseshell and Tektite 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 Gemmological Tables (2004) while Tortoiseshell is Gemmological Tables (2004) in appearance.

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