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: TR1 Locality: western Alps _database_code_amcsd 0006807 10.862 7.483 5.150 90 90 90 Pnma atom x y z occ Uiso YA .4503 .25 .0333 .639 .0150 CeA .4503 .25 .0333 .005 .0150 PrA .4503 .25 .0333 .001 .0150 NdA .4503 .25 .0333 .011 .0150 SmA .4503 .25 .0333 .01 .0150 GdA .4503 .25 .0333 .068 .0150 DyA .4503 .25 .0333 .065 .0150 ErA .4503 .25 .0333 .034 .0150 YbA .4503 .25 .0333 .025 .0150 ThA .4503 .25 .0333 .06 .0150 UA .4503 .25 .0333 .004 .0150 CaA .4503 .25 .0333 .01 .0150 TiB .3593 .5137 .5446 .975 .0204 NbB .3593 .5137 .5446 .025 .0204 WC .177 .25 .603 .03 .023 O1 .2868 .4354 .8778 .024 O2 .5262 .4568 .7373 .025 O3 .6190 .25 .3114 .024 O4 .3506 .25 .4361 .023