AM_Clintonite-1M_6 Formula: Si1.24 Al3.51 Ca Fe.15 Mg2.1 O12 H2 Name: Clintonite-1M Unit cell: 5.194 8.995 9.788 90.0 100.23 90.0 , V=450.03 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: Cli8a