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Verdite and Lepidolite Optical Properties


Lepidolite and Verdite Optical Properties


Optical Properties

Luster
Vitreous, Silky  
Vitreous, Pearly  

Pleochroism
Extreme  
X = almost colorless; Y = Z = pink  

Dispersion
0.03  
99+
0.01  
99+

Transparency
Translucent  
Transparent  

Refractive Index
1.580  
1.525-1.587  

Optic Character
-  
-  

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c  
Triclinic  

Birefringence
-9999  
0.0290-0.0380  

Clarity
Translucent  
Transparent  

Benefits >>
<< Physical Properties

Verdite and Lepidolite Optic Character

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

Similar to their colors, Verdite and Lepidolite 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, Verdite is Translucent while Verdite is Translucent in appearance.

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