Fancy Diamond and Gahnospinel Optical Properties

Fancy Diamond

Gahnospinel

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004)

1.5 Refractive Index

2.421.735-1.790

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

TransparentUlrich Henn and Claudio C. Milisenda

Fancy Diamond and Gahnospinel Optic Character

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

Similar to their colors, Fancy Diamond and Gahnospinel 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.