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Albite
Zoisite
Zoisite and Albite Optical Properties


Optical Properties
Luster
Vitreous, Pearly  
Vitreous  
Pleochroism
colorless.  
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green  
Dispersion
1.00  
1
0.02  
99+
Transparency
Transparent, Translucent  
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.  
Refractive Index
1.525-1.542  
1.685-1.707  
Optic Character
-  
-  
Crystal System
Triclinic  
Orthorhombic  
Birefringence
0.008-0.011  
0.006-0.018  
Clarity
Transparent  
Transparent  
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