AM_Rhodonite_4 Formula: Mn5 Si5 O15 Name: Rhodonite Unit cell: 9.7902 10.5184 12.223 108.644 103.159 82.308 , V=1158.78 Space group: C-1 (2)

Nelson W R , Griffen D T , American Mineralogist , 90 (2005) p.969-983, Crystal chemistry of Zn-rich rhodonite ( fowlerite ), Sample: 15-4026, Note: see samples 15-4029 and 15-4024 for plausible typical fowlerite, and rhodonite cation distributions