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Jadeite
Jadeite

Legrandite
Legrandite



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Jadeite
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Legrandite

Jadeite and Legrandite Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Colorless

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.652-1.6881.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.013-0.0200.060
0 0.296
👆🏻

Clarity

Translucent
-

Jadeite and Legrandite Optic Character

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

Similar to their colors, Jadeite and Legrandite 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.