AM_Rhodonite_11 Formula: Mn3 Zn Ca Si5 O15 Name: Rhodonite Unit cell: 9.8393 10.4941 12.1977 108.751 103.751 82.091 , V=1155.87 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: 15-4020, Note: see samples 15-4029 and 15-4024 for plausible typical fowlerite, and rhodonite cation distributions