Formula: (K.94 Na.06) (Mg1.5 Fe1.14 Ti.36) (Al1.12 Si2.88) O12
Name: Phlogopite
Unit cell: 5.3408 9.2497 10.1633 90.0 100.205 90.0 , V=494.13
Space group: C12/M1 (12)

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: MS10, Note: 1M polytype