Gahnospinel and Jet Optical Properties

Gahnospinel

Jet

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.735-1.7901.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Amorphous

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemmological Tables (2004) More from other references

Gahnospinel and Jet Optic Character

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

Similar to their colors, Gahnospinel and Jet 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.