Aeschynite-(Y) Bonazzi P, Menchetti S European Journal of Mineralogy 11 (1999) 1043-1049 Crystal chemistry of aeschynite-(Y) from the Western Alps: residual electron density on difference-Fourier map Sample: TR2 Locality: western Alps _database_code_amcsd 0006809 10.904 7.490 5.189 90 90 90 Pnma atom x y z occ Uiso YA .4513 .25 .0344 .55 .0188 CeA .4513 .25 .0344 .011 .0188 PrA .4513 .25 .0344 .002 .0188 NdA .4513 .25 .0344 .026 .0188 SmA .4513 .25 .0344 .016 .0188 GdA .4513 .25 .0344 .091 .0188 DyA .4513 .25 .0344 .079 .0188 ErA .4513 .25 .0344 .034 .0188 YbA .4513 .25 .0344 .022 .0188 ThA .4513 .25 .0344 .1 .0188 UA .4513 .25 .0344 .03 .0188 CaA .4513 .25 .0344 .02 .0188 TiB .3588 .5119 .5427 .905 .0227 NbB .3588 .5119 .5427 .045 .0227 TaB .3588 .5119 .5427 .005 .0227 WB .3588 .5119 .5427 .045 .0227 WC .171 .25 .609 .02 .020 O1 .2873 .4381 .8780 .025 O2 .5269 .4576 .7367 .026 O3 .6182 .25 .3165 .029 O4 .3524 .25 .4393 .026