AM_Clintonite-1M_4 Formula: Si1.6 Al3.05 Fe.16 Ca Mg1.19 O12 H2 Name: Clintonite-1M Unit cell: 5.2 9.005 9.795 90.0 100.24 90.0 , V=451.36 Space group: C12/M1 (12)

Alietti E , Brigatti M F , Poppi L , American Mineralogist , 82 (1997) p.936-945, Clintonite-1M: Crystal chemistry and its relationships to closely, associated Al-rich phlogopite, Sample: Cli5a