AM_Siderophyllite_1 Formula: Si3.312 Al1.795 Li.764 Fe.828 Mn.078 Na.034 Rb.092 K.82 O10.41 F1.59 H.174 Name: Siderophyllite Unit cell: 5.295 9.139 10.077 90.0 100.83 90.0 , V=478.95 Space group: C121 (5)

Brigatti M F , Lugli C , Poppi L , Foord E E , Kile D E , American Mineralogist , 85 (2000) p.1275-1286, Crystal chemical variations in Li- and Fe-rich micas from, Pikes Peak batholith (central Colorado), Sample: 24