AM_Clintonite-1M_5 Formula: Si1.2 Al3.03 Ca Fe.21 Mg2.16 O12 H2 Name: Clintonite-1M Unit cell: 5.1982 9.006 9.796 90.0 100.21 90.0 , V=451.34 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: Cli7c