Optical Spectra of Micas

Review Articles
Biotite     
1960s1970s1980s1990s2000sClintonite  (brittle Mica)  
"Fuchsite"Lepidolite    
Lepidomelane
Manganophyllite        
Muscovite        

1950s1960s 1970s1980s1990s2000s2010sNorrishite  
Paragonite    
Phengite
Phlogophite       
Roscoelite
Shirozulite
Zinnwaldite