AM_Phlogopite_50 Formula: K.93 Na.06 Mg1.44 Fe1.08 Ti.33 Al1.27 Si2.88 O12 Name: Phlogopite Unit cell: 5.3449 9.2375 20.095 90.0 95.143 90.0 , V=988.17 Space group: C12/C1 (15)

Laurora A , Brigatti M F , Mottana A , Malferrari D , Caprilli E , American Mineralogist , 92 (2007) p.468-480, Crystal chemistry of trioctahedral micas in alkaline and subalkaline volcanic, rocks: A case study from Mt. Sassetto (Tolfa district, Latium, central Italy), Locality: Mt. Sassetto, Tolfa district, Latium, Italy, Sample: MS14(2)