AM_Henritermierite_3 Formula: Mn2.264 Ca3 Si2.43 O12 Name: Henritermierite Unit cell: 12.1225 12.1225 12.1225 90.0 90.0 90.0 , V=1781.46 Space group: IA-3D (230)

Armbruster T , Kohler T , Libowitzky E , Friedrich A , Miletich R , Kunz M , Medenbach O , Gutzmer J , American Mineralogist , 86 (2001) p.147-158, Structure, compressibility, hydrogen bonding, and dehydration of the tetragonal, Mn hydrogarnet, henritermierite, Sample: T = 293 K after heating to 800 K