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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
Not Available   
Not Available   

Transparency
Translucent   
Transparent   

Refractive Index
1.580   
1.525-1.587   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
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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