Uranopolycrase Aurisicchio C, Orlandi P, Pasero M, Perchiazzi N European Journal of Mineralogy 5 (1993) 1161-1165 Uranopolycrase, the uranium-dominant analogue of polycrase-(Y), a new mineral from Elba Island, Italy, and its crystal structure Locality: Elba Island, Italy _database_code_amcsd 0006507 14.51 5.558 5.173 90 90 90 Pbcn atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) U 0 .2266 .25 .62 1.08 .013 .016 .012 0 0 0 Y 0 .2266 .25 .29 1.08 .013 .016 .012 0 0 0 Th 0 .2266 .25 .07 1.08 .013 .016 .012 0 0 0 Mn 0 .2266 .25 .03 1.08 .013 .016 .012 0 0 0 Ca 0 .2266 .25 .02 1.08 .013 .016 .012 0 0 0 Nd 0 .2266 .25 .01 1.08 .013 .016 .012 0 0 0 Ti .1690 .3222 .8152 .73 .63 .009 .005 .010 .001 .001 -.001 Nb .1690 .3222 .8152 .18 .63 .009 .005 .010 .001 .001 -.001 Ta .1690 .3222 .8152 .06 .63 .009 .005 .010 .001 .001 -.001 O1 .092 .433 .526 .2 O2 .084 .096 .916 .8 O3 .257 .135 .647 .5