AM_Phlogopite_68 Formula: K.92 Na.04 Mg1.56 Fe1.17 Ti.144 Mn.06 Si2.972 Al1.004 O11.06 (F.94 H1.06) Name: Phlogopite Unit cell: 5.3099 9.185 10.093 90.0 100.07 90.0 , V=484.67 Space group: C12/M1 (12)

Russell R L , Guggenheim S , The Canadian Mineralogist , 37 (1999) p.711-720, The crystal structures of near-end-member phlogopite at high temperatures, and heat-treated Fe-rich phlogopite: The influence of the O,OH,F site, Sample: heat-treated at 904 degrees C for 24 hours, Fe-rich phlogopite, Locality: Silver Crater mine, Ontario, Canada