NaBSiO4 Graetsch H A, Schreyer W The Canadian Mineralogist 43 (2005) 759-767 Rietveld refinement of synthetic monoclinic NaBSiO4 _database_code_amcsd 0006017 7.9845 7.6969 13.9432 90 90.081 90 P2_1/n atom x y z Na1 .245 .010 .250 Na2 .734 .470 .0802 Na3 .775 .032 .0662 B1 -.0774 .1677 .2383 B2 .1017 .6707 .0807 B3 .5655 .8287 -.0899 Si1 .9212 .7885 .2376 Si2 .1074 .2923 .0796 Si3 .4320 .7927 .0921 O1 .0652 .766 .3187 O2 .0573 .265 .1911 O3 .2378 .773 .1241 O4 .7400 .747 .2844 O5 -.0513 .249 .0108 O6 .452 .744 -.0206 O7 .9579 .664 .1466 O8 .2633 .169 .0509 O9 .550 .669 .1572 O10 .924 .9885 .2015 O11 .163 .4930 .0639 O12 .4899 .9922 .1093