AM_Phlogopite_91 Formula: Ba.035 K.964 Al1.336 Ti.123 Cr.003 Fe.606 Mg2.226 Mn.009 Si2.7 O12 Name: Phlogopite Unit cell: 5.385 9.202 10.181 90.0 100.13 90.0 , V=496.63 Space group: C12/M1 (12)

Brigatti M F , Caprilli E , Funiciello R , Giordano G , Mottana A , Poppi L , European Journal of Mineralogy , 17 (2005) p.611-621, Crystal chemisty of ferroan phlogopites from the Albano maar lake, (Colli Albani volcano, central Italy), Locality: Colli Albani volcano, central Italy, Sample: CC