Chrysoprase and Tigers Eye Optical Properties

Chrysoprase

Tigers Eye

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Waxy

Silky

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Translucent, Translucent, Opaque, Translucent to nearly opaque

Opaque

1.5 Refractive Index

1.530-1.5431.534-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

1.8 Birefringence

0.004Not Available

0 0.296

1.9 Clarity

Translucent

Gemstones of the world (2001) More from other references

Chrysoprase and Tigers Eye Optic Character

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

Similar to their colors, Chrysoprase 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, Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque while Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque in appearance.