Chrysoprase and Povondraite Optical Properties

Chrysoprase

Povondraite

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Waxy

Resinous

1.2 Pleochroism

AbsentWalter Schumann

Strong: yellow-brown

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Translucent, Opaque, Translucent to nearly opaque

Translucent

1.5 Refractive Index

1.530-1.543Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.004Not Available

0 0.296

1.9 Clarity

Translucent

Chrysoprase and Povondraite Optic Character

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

Similar to their colors, Chrysoprase and Povondraite 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.