Gahnospinel and Fancy Diamond Optical Properties

Gahnospinel

Fancy Diamond

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Not Available

1.5 Refractive Index

1.735-1.7902.42

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

cubic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Color grading system

Gahnospinel and Fancy Diamond Optic Character

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

Similar to their colors, Gahnospinel and Fancy Diamond 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, Gahnospinel is Gemmological Tables (2004) while Gahnospinel is Gemmological Tables (2004) in appearance.