AM_Phlogopite_16 Formula: Si3.08 Fe1.16 Mg2.76 (K.98 Na.02) O11.94 F.06 H1.78 Name: Phlogopite Unit cell: 5.358 9.277 10.308 90.0 99.99 90.0 , V=504.60 Space group: C12/M1 (12)

Brigatti M F , Medici L , Saccani E , Vaccaro C , American Mineralogist , 81 (1996) p.913-927, Crystal chemistry and petrologic significance of Fe3+-rich phlogopite from, the Tapira carbonatite complex, Brazil, Sample: Tas22-1b