AM_Phlogopite_18
Formula: K.462 Rb.275 Cs.233 Mg1.24 Fe1.04 Li.3 Al1.46 Ti.04 Si2.92 H2 O12
Name: Phlogopite
Unit cell: 5.343 9.247 10.397 90.0 100.04 90.0 , V=505.82
Space group: C12/M1 (12)

Hawthorne F C , Teertstra D K , Cerny P , American Mineralogist , 84 (1999) p.778-781, Crystal-structure refinement of a rubidian cesian phlogopite