Dinosaur Bone and Tortoiseshell Optical Properties
Luster
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Pleochroism
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Dispersion
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Transparency
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Gemmological Tables (2004)
Refractive Index
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1.540-1.560
Optic Character
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Crystal System
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Birefringence
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Clarity
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OpaqueUlrich Henn and Claudio C. Milisenda
Dinosaur Bone and Tortoiseshell Optic Character
Dinosaur Bone and Tortoiseshell optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Dinosaur Bone 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 Dinosaur Bone 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.
Dinosaur Bone and Tortoiseshell Transparency
Similar to their colors, Dinosaur Bone 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, Dinosaur Bone is Not Available while Dinosaur Bone is Not Available in appearance.