Brushite Schofield P F, Knight K S, van der Houwen J A M, Valsami-Jones E Physics and Chemistry of Minerals 31 (2004) 606-624 The role of hydrogen bonding in the thermal expansion and dehydration of brushite, di-calcium phosphate dihydrate Sample: T = 10 K _database_code_amcsd 0008881 5.7990 15.1255 6.1839 90 116.428 90 Ia atom x y z Uiso Ca .5 .3274 .25 .0036 P -.0100 .3227 .7280 .0004 OD1 -.0098 .3680 -.0356 .0037 O2 .2553 .2819 .8209 .0026 O3 -.0647 .3933 .5408 .0037 O4 .7794 .2531 .6349 .0014 OD2O1 .3672 .4258 .4858 .0035 OD2O2 .5252 .4463 .0131 .0085 D1 -.0981 .3301 .0338 .0170 D2 .3842 .4895 .4916 .0138 D3 .2055 .4120 .4859 .0157 D4 .5116 .5107 .0156 .0222 D5 .5010 .4330 .8543 .0254