AM_Phlogopite_4 Formula: (K.9 Mn.1) Mg3 (Si3 Fe) O12 H2 Name: Phlogopite Unit cell: 5.36 9.29 10.41 90.0 100.0 90.0 , V=510.48 Space group: C12/M1 (12)

Steinfink H , American Mineralogist , 47 (1962) p.886-889, Crystal structure of a trioctahedral mica: Phlogopite