Coronadite Post J E, Bish D L American Mineralogist 74 (1989) 913-917 Rietveld refinement of the coronadite structure sample from Broken Hill _database_code_amcsd 0001263 9.913 2.8652 9.843 90 90.20 90 I2/m atom x y z occ Mn1 .837 0 .327 Mn2 .338 0 .138 Pb 0 .214 0 .35 O1 .639 0 .311 O2 .636 0 .042 O3 .286 0 .336 O4 .045 0 .323