AM_Rhodonite_6 Formula: Mn5 Si5 O15 Name: Rhodonite Unit cell: 9.8121 10.5187 12.218 108.651 103.217 82.308 , V=1160.63 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: 15-4031, Note: see samples 15-4029 and 15-4024 for plausible typical fowlerite, and rhodonite cation distributions