AM_Ca3Mn2Si4O14
Formula: Ca3 Mn2 Si4 O14
Name: Ca3Mn2Si4O14
Unit cell: 14.263 7.62 10.025 90.0 93.27 90.0 , V=1087.78
Space group: I12/C1 (15)

Moore P B , Araki T , Zeitschrift fur Kristallographie , 150 (1979) p.287-297, Crystal structure of synthetic Ca3Mn2O2[Si4O12], Note: stable only at P greater than 1.3 GPa