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Jadeite
Jadeite

Ammolite
Ammolite



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Jadeite
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Ammolite

Jadeite and Ammolite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.01
Translucent
1.652-1.688
-
monoclinic
0.013-0.020
Translucent
 
Silky, Vitreous
None
0.01
-
1.520-1.670
-
Trigonal
0.135-0.145
-

Jadeite and Ammolite Optic Character

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

Similar to their colors, Jadeite and Ammolite 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 while Jadeite is in appearance.