AM_Phlogopite_51 Formula: K (Mg2.511 Fe.489) Si3.961 O12 H1.521 Name: Phlogopite Unit cell: 5.3252 9.2205 10.2458 90.0 99.9938 90.0 , V=495.45 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