AM_Phlogopite_1 Formula: K Mg3 (Si3 Al) O11 (F H) Name: Phlogopite Unit cell: 5.32 9.21 20.08 90.0 95.0 90.0 , V=980.12 Space group: C12/C1 (15)

Hendricks S B , Jefferson M E , American Mineralogist , 24 (1939) p.729-771, Polymorphism of the micas with optical measurements, Note: data is reproduced from Jackson and West (1930), Note: Biotite group