Stillwellite-(Nd) Shi Y, Liang J K, Zhang H, Yang J L, Zhuang W D, Rao G H Journal of Alloys and Compounds 259 (1997) 163-169 Crystal structure and vibrational spectra studies of stillwellite compounds NdBSiO5 Locality: Synthetic _database_code_amcsd 0018729 6.8035 6.8035 6.6487 90 90 120 P3_121 atom x y z occ Biso Nd .4159 0 1/3 .21 B .8723 0 1/3 1.52 Si .4177 0 5/6 .34 O1 .3284 .1387 .9717 1.01 O2 .4587 .8511 .0004 1.31 O3 -.0180 .0453 .5555 .5 .63