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Jadeite
Jadeite

Chalcedony
Chalcedony



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Jadeite
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Chalcedony

Jadeite and Chalcedony Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
Translucent, Translucent to opaque

Refractive Index

1.652-1.6881.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.013-0.0200.003-0.009
0 0.296
👆🏻

Clarity

Translucent
Translucent

Jadeite and Chalcedony Optic Character

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

Similar to their colors, Jadeite and Chalcedony 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.