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Jade
Jade

Prasiolite
Prasiolite



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Jade
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Prasiolite

Jade and Prasiolite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Very weak: light green pale greenWalter Schumann

Dispersion

0.010.01
0.005 1
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Transparency

Translucent, Translucent to opaque
Transparent, Translucent

Refractive Index

1.600-1.6881.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.020-0.0270.009
0 0.296
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Clarity

Translucent
Transparent

Jade and Prasiolite Optic Character

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

Jade and Prasiolite Transparency

Similar to their colors, Jade and Prasiolite 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, Jade is Translucent and Translucent to opaque while Jade is Translucent and Translucent to opaque in appearance.