Jet and Tigers Eye Optical Properties

Jet

Tigers Eye

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1 Optical Properties

1.1 Luster

Waxy

Silky

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Opaque

1.5 Refractive Index

1.640-1.6801.534-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Amorphous

Trigonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Gemmological Tables (2004) More from other references

Gemstones of the world (2001) More from other references

Jet and Tigers Eye Optic Character

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

Similar to their colors, Jet and Tigers Eye 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, Jet is Gemmological Tables (2004) More from other references while Jet is Gemmological Tables (2004) More from other references in appearance.