AM_Phlogopite_55 Formula: K (Mg1.987 Fe1.012) Si3.972 O12 H1.365 Name: Phlogopite Unit cell: 5.3377 9.2424 10.1654 90.0 100.099 90.0 , V=493.72 Space group: C12/M1 (12)

Matarrese S , Schingaro E , Scordari F , Stoppa F , Rosatelli G , Pedrazzi G , Ottolini L , American Mineralogist , 93 (2008) p.426-437, Crystal chemistry of phlogopite from Vulture-S. Michele Subsynthem volcanic, rocks (Mt. Vulture, Italy) and volcanological implications, Locality: Masseria Saraceno pyroclastic flow, Vulture-San Michele Subsynthem,, Mt. Vulture, Italy