Crocoite Effenberger H, Pertlik F Zeitschrift fur Kristallographie 176 (1986) 75-83 Four monazite type structures: comparison of SrCrO4, SrSeO4, PbCrO4 (crocoite), and PbSeO4 Locality: Dundas, Tasmania _database_code_amcsd 0019487 7.127 7.438 6.799 90 102.43 90 P2_1/n atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Pb .22130 .14545 .39692 .0184 .0163 .0152 -.0016 .0052 -.0011 Cr .20107 .16364 .88184 .0093 .0092 .0088 -.0007 .0027 -.0014 O1 .2538 .0042 .0574 .031 .018 .019 .003 .006 .004 O2 .1245 .3425 .9890 .017 .017 .024 .001 .009 -.006 O3 .0295 .0999 .6858 .018 .020 .022 -.005 -.003 -.001 O4 .3859 .2141 .7819 .010 .029 .019 -.001 .006 -.002