AM_Rhodonite_1 Formula: Mn5 Si5 O15 Name: Rhodonite Unit cell: 9.8381 10.5361 12.2381 108.697 103.335 82.191 , V=1166.56 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: 15-4018, Note: see samples 15-4029 and 15-4024 for plausible typical fowlerite , and rhodonite cation distributions