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Jadeite and Phosgenite Optical Properties


Phosgenite and Jadeite Optical Properties


Optical Properties

Luster
Pearly  
Adamantine  

Pleochroism
-  
Weakly pleochroic with O reddish and E greenish in thick sections.  

Dispersion
0.01  
99+
0.04  
33

Transparency
Translucent  
-  

Refractive Index
1.652-1.688  
2.117-2.145  

Optic Character
-  
-  

Crystal System
monoclinic  
tetragonal  

Birefringence
0.013-0.020  
0.027  

Clarity
Translucent  
TransparentUlrich Henn and Claudio C. Milisenda  

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Jadeite and Phosgenite Optic Character

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

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Jadeite and Phosgenite Transparency

Similar to their colors, Jadeite and Phosgenite 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.

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