Chrysoprase and Verdelite Optical Properties

Chrysoprase

Verdelite

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Vitreous, Waxy

0.01

Translucent, Opaque, Translucent to nearly opaque

1.530-1.543

Trigonal

0.004

Translucent

Strong: dark green yellow

0.02

Transparent, Translucent

1.614-1.666

0.014-0.040

Transparent

Chrysoprase and Verdelite Optic Character

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

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