Ferri-clinoholmquistite Iezzi G, Camara F, Della Ventura G, Oberti R, Pedrazzi G, Robert J-L Physics and Chemistry of Minerals 31 (2004) 375-385 Synthesis, crystal structure and crystal chemistry of ferri-clinoholmquistite, _Li2Mg3Fe3+2Si8O22(OH)2 Sample: 152 _database_code_amcsd 0008866 9.466 17.970 5.288 90 101.84 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) LiA2 0 .44 .5 .10 Mg1 0 .0883 .5 .80 1.0 .0028 .0002 .0174 0 .0020 0 Fe2+1 0 .0883 .5 .20 1.0 .0028 .0002 .0174 0 .0020 0 Fe3+2 0 .1811 0 .52 .6 .0027 .0002 .0067 0 .0015 0 Mg2 0 .1811 0 .48 .6 .0027 .0002 .0067 0 .0015 0 Mg3 0 0 0 .80 .5 .0026 .0003 .0031 0 .0005 0 Fe2+3 0 0 0 .20 .5 .0026 .0003 .0031 0 .0005 0 Li4 0 .2566 .5 .63 1.5 .0035 .0008 .0227 0 .0044 0 Fe2+4 0 .2566 .5 .225 1.5 .0035 .0008 .0227 0 .0044 0 Mg4 0 .2566 .5 .145 1.5 .0035 .0008 .0227 0 .0044 0 Si1 .2883 .0852 .2723 .7 .0024 .0002 .0110 .0001 .0019 .0004 Si2 .2978 .1702 .7835 .6 .0027 .0002 .0066 .0004 .0009 .0003 O1 .1145 .0879 .2067 1.1 .0037 .0006 .0124 .0007 .0009 .0008 O2 .1225 .1725 .7238 .8 .0034 .0001 .0116 0 .0003 .0004 O3 .1115 0 .7017 1.0 .0018 .0000 .0238 0 .0025 0 O4 .3760 .2487 .7705 1.0 .0030 .0007 .0099 .0004 .0008 .0003 O5 .3522 .1303 .0587 .9 .0028 .0008 .0052 .0001 .0023 .0014 O6 .3481 .1189 .5583 1.1 .0025 .0014 .0053 .0011 .0001 .0020 O7 .3425 0 .2740 1.1 .0036 .0000 .0229 0 .0046 0 H .19 0 .74 1.0