Vigezzite Giuseppetti G, Tadini P Neues Jahrbuch fur Mineralogie, Monatshefte 1990 (1990) 301-308 The crystal structure of vigezzite, (Ca,Ce)(Nb,Ta,Ti)2O6, intermediate term of the aeschynite series Locality: Vigezzo Valley, Novara, Italy _database_code_amcsd 0014844 11.065 7.527 5.343 90 90 90 Pnma atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) CaA .4565 .25 .0391 .75 .94 .0023 .0038 .0074 0 -.0001 0 CeA .4565 .25 .0391 .25 .94 .0023 .0038 .0074 0 -.0001 0 NbB .3587 .5061 .5382 .475 .95 .0016 .0052 .0076 .0002 -.0002 .0004 TaB .3587 .5061 .5382 .315 .95 .0016 .0052 .0076 .0002 -.0002 .0004 TiB .3587 .5061 .5382 .210 .95 .0016 .0052 .0076 .0002 -.0002 .0004 O1 .2875 .4390 .8722 1.09 .0019 .0058 .0092 .0001 .0009 .0001 O2 .5251 .4583 .7300 1.02 .0021 .0053 .0073 .0002 .0006 .0009 O3 .6223 .25 .3345 1.07 .0020 .0046 .0108 0 .0004 0 O4 .3545 .25 .4485 1.05 .0019 .0041 .0111 0 -.0003 0