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Jadeite
Jadeite

Prasiolite
Prasiolite



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Jadeite
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Prasiolite

Jadeite and Prasiolite Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Very weak: light green pale greenWalter Schumann

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.652-1.6881.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.013-0.0200.009
0 0.296
👆🏻

Clarity

Translucent
Transparent

Jadeite and Prasiolite Optic Character

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

Jadeite and Prasiolite Transparency

Similar to their colors, Jadeite 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, Jadeite is Translucent while Jadeite is Translucent in appearance.