AM_Ilvaite_1 Formula: Ca Fe2.88 Mg.03 Al.04 Mn.05 Si2 H O9 Name: Ilvaite Unit cell: 13.006 8.808 5.85 90.0 90.34 90.0 , V=670.15 Space group: P121/A1 (14)

Bonazzi P , Bindi L , American Mineralogist , 84 (1999) p.1604-1612, Structural adjustments induced by heat treatment in ilvaite, Sample: RM at room temperature