Ilvaite Beran A, Bittner H Tschermaks Mineralogische und Petrographische Mitteilungen 21 (1974) 11-29 Untersuchungen zur kristallchemie des ilvaits _database_code_amcsd 0015644 8.800 13.019 5.852 90 90 90 Pbnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 .05099 .11001 .00789 .0015 .0007 .0038 .0000 .0003 .0000 Fe2 .74029 .05888 .25 .0020 .0009 .0053 -.0001 0 0 Ca .37056 .18712 .75 .0018 .0010 .0057 -.0001 0 0 Si1 .36913 .04051 .25 .0014 .0010 .0016 -.0001 0 0 Si2 .22740 .32012 .25 .0025 .0005 .0044 -.0002 0 0 O1 .0303 -.0092 .75 .0027 .0015 .0101 -.0005 0 0 O2 .2731 .0642 .0182 .0016 .0011 .0034 .0001 .0009 -.0013 O3 .1086 .2212 .25 .0012 .0010 .0085 .0000 0 0 O4 .3287 .3293 .0200 .0022 .0007 .0074 -.0002 -.0001 -.0005 O5 .1020 .4160 .25 .0022 .0011 .0001 .0002 0 0 O6 .0269 .3987 .75 .0042 .0004 .0132 .0000 0 0 OH7 .1097 .2034 .75 .0033 .0003 .0043 .0000 0 0