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Anthophyllite and Realgar Optical Properties


Optical Properties

Luster
-  
Vitreous, Pearly  

Pleochroism
Nearly colorless to pale golden yellowAnthony et al  
-  

Dispersion
0.06  
24
0.01  
99+

Transparency
-  
Transparent  

Refractive Index
2.538-2.704  
1.603-1.690  

Optic Character
-  
Biaxial/+  

Crystal System
-  
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  

Birefringence
0.166  
-9999  

Clarity
-  
Transparent  

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