Clintonite-1M_9 Formula: Si1.28 Al3.35 Ca Fe.15 Mg2.22 O12 H2 Name: Clintonite-1M Unit cell: 5.2016 9.005 9.816 90.0 100.3 90.0 , V=452.38 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: Cli9b