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Tortoiseshell and White topaz Optical Properties


White topaz 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)   
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Refractive Index
1.540-1.560   
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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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Tortoiseshell and White topaz Optic Character

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

Similar to their colors, Tortoiseshell and White topaz 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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