AM_Coronadite
Formula: Mn2 Pb.268 O4
Name: Coronadite
Unit cell: 9.938 2.8678 9.834 90.0 90.39 90.0 , V=280.26
Space group: I12/M1 (12)

Post J E , Bish D L , American Mineralogist , 74 (1989) p.913-917, Rietveld refinement of the coronadite structure, sample from Morocco