AM_Fluorophlogopite_1
Formula: (Al1.048 Si2.952) Mg3 K.77 Na.16 Ba.05 O10.7 (F1.3 H.7)
Name: Fluorophlogopite
Unit cell: 5.3078 9.1901 10.1547 90.0 100.08 90.0 , V=487.69
Space group: C12/M1 (12)

Hazen R M , Burnham C W , American Mineralogist , 58 (1973) p.889-900, The crystal structures of one-layer phlogopite and annite