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Prase
Prase

Verdelite
Verdelite



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Prase
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Verdelite

Prase and Verdelite Optical Properties

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Optical Properties

Luster

-
-

Pleochroism

-
Strong: dark green yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.544-1.5531.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.0090.014-0.040
0 0.296
👆🏻

Clarity

Transparent
Transparent

Prase and Verdelite Optic Character

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

Prase and Verdelite Transparency

Similar to their colors, Prase 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, Prase is Transparent and Translucent while Prase is Transparent and Translucent in appearance.