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Verdite and Dioptase Optical Properties


Dioptase and Verdite Optical Properties


Optical Properties

Luster
Vitreous, Silky  
Vitreous  

Pleochroism
Extreme  
Weak; dark emerald green  

Dispersion
0.03  
99+
0.04  
38

Transparency
Translucent  
TranslucentHerve Nicolas Lazzarelli  

Refractive Index
1.580  
1.644-1.720  

Optic Character
-  
-  

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

Birefringence
-9999  
0.051-0.053  

Clarity
Translucent  
TranslucentHerve Nicolas Lazzarelli  

Benefits >>
<< Physical Properties

Verdite and Dioptase Optic Character

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

Similar to their colors, Verdite and Dioptase 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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