AM_Siderophyllite_6 Formula: Al1.98 Si3.11 Fe.98 Mg.03 Mn.11 Li.68 K.91 Na.03 O10.64 F1.36 H.3 Name: Siderophyllite Unit cell: 5.309 5.309 29.846 90.0 90.0 120.0 , V=728.52 Space group: P3112 (151)

Brigatti M F , Kile D E , Poppi L , European Journal of Mineralogy , 15 (2003) p.349-355, Crystal structure and chemistry of lithium-bearing trioctahedral micas-3T, Sample: 6-c