Hydroxylclinohumite Berry A J, James M American Mineralogist 86 (2001) 181-184 Refinement of hydrogen positions in synthetic hydroxyl-clinohumite by powder neutron diffraction _database_code_amcsd 0002626 4.7488 10.2875 13.6967 100.63 90 90 P2_1/b atom x y z occ Biso Mg1 .5 0 .5 .5 Mg2 .495 .9480 .2735 .7 Mg3 .003 .1440 .1711 .5 Mg4 .504 .2523 .3872 .9 Mg5 .492 .8770 .0443 .8 Si1 .073 .0666 .3897 1.0 Si2 .078 .1739 .8341 1.2 O1 .733 .0647 .3892 1.0 O2 .277 .4200 .3881 .9 O3 .224 .1120 .2932 .6 O4 .224 .1575 .4869 .8 O5 .238 .3240 .1638 .4 O6 .775 .9703 .1644 .7 O7 .725 .2825 .2637 .7 O8 .728 .2294 .0715 .8 O9 .261 .0529 .0596 1.5 D1 .098 .017 .008 .52 3.0 D2 .418 .088 .115 .48 3.0