BaEr2Si3O10 Wierzbicka-Wieczorek M, Kolitsch U, Tillmanns E European Journal of Mineralogy 22 (2010) 245-258 Synthesis and structural study of five new trisilicates, BaREE2Si3O10 (REE = Gd, Er, Yb, Sc) and SrY2Si3O10, including a review on the geometry of the Si3O10 unit Locality: synthetic _database_code_amcsd 0017780 5.389 12.163 6.840 90 106.47 90 P2_1/m atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ba .76044 .25 .02001 .00912 .00924 .01048 .00822 .0 .00341 .0 Er .15699 .099147 .68359 .00606 .00676 .00609 .00530 -.00096 .00168 -.00052 Si1 .5821 .25 .48901 .0055 .0049 .0069 .0043 .0 .0006 .0 Si2 .30418 .06145 .21296 .00539 .0059 .0055 .0048 .0005 .0016 .0004 O1 .3664 .25 .6120 .0055 .0077 .0062 .0090 .0 .0028 .0 O2 .8764 .25 .6349 .0069 .0073 .0060 .0058 .0 -.0010 .0 O3 .5486 .1428 .3391 .0100 .0088 .0116 .0102 -.0021 .0038 -.0036 O4 .4324 -.05483 .1907 .0098 .0094 .0073 .0124 .0008 .0027 -.0011 O5 .1653 .12321 .0035 .0097 .0125 .0111 .0059 .0037 .0034 .0021 O6 .1007 .05103 .3510 .0087 .0096 .0107 .0071 -.0033 .0044 -.0021