Chrysoprase and Cacoxenite Optical Properties

Chrysoprase

Cacoxenite

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Waxy

Silky

1.2 Pleochroism

AbsentWalter Schumann

visible: O = Pale yellow E = Canary yellow to yellow orange

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Translucent, Opaque, Translucent to nearly opaque

Not Available

1.5 Refractive Index

1.530-1.5431.575-1.585

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

0.004Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Chrysoprase and Cacoxenite Optic Character

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

Similar to their colors, Chrysoprase and Cacoxenite 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.