Fancy Diamond and Tortoiseshell Optical Properties

Fancy Diamond

Tortoiseshell

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004)

1.5 Refractive Index

2.421.540-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

OpaqueUlrich Henn and Claudio C. Milisenda

Fancy Diamond and Tortoiseshell Optic Character

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

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