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Erythrite
Jasper
Jasper and Erythrite Optical Properties


Optical Properties
Luster
Subadamantine, Pearly  
Vitreous  
Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red  
-  
Dispersion
0.03  
99+
0.01  
99+
Transparency
-  
Opaque  
Refractive Index
1.626-1.629  
1.540  
Optic Character
-  
-  
Crystal System
monoclinic  
Trigonal  
Birefringence
-9999  
-9999  
Clarity
-  
OpaqueHerve Nicolas Lazzarelli  
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