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Emerald and Alabaster Optical Properties


Optical Properties

Luster
-  
Vitreous  

Pleochroism
-  
Strong dichroism: yellow green Lazzarelli  

Dispersion
-  
0.01  
99+

Transparency
Translucent  
Transparent, Translucent, Transparent to translucent  

Refractive Index
1.520-1.530  
1.565-1.602  

Optic Character
-  
-  

Crystal System
-  
Hexagonal  

Birefringence
0.010  
0.0040-0.0070  

Clarity
Translucent  
-  

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