AM_Rhodonite_7
Formula: Mn5 Si5 O15
Name: Rhodonite
Unit cell: 9.7834 10.5023 12.2338 108.682 103.273 82.213 , V=1156.34
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: 15-4033, Note: see samples 15-4029 and 15-4024 for plausible typical fowlerite, and rhodonite cation distributions