Feldspar
Tribaudino M, Benna P, Bruno E
American Mineralogist 83 (1998) 159-166
Structural variations induced by thermal treatment in lead feldspar (PbAl2Si2O8)
Sample: PbF_L64h, single Pb site
_database_code_amcsd 0001957
8.405 13.063 14.344 90 115.29 90 I2/c
atom     x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb   .2723 -.0076  .0718       .014   .074   .031  -.010   .006  -.005
Al1o .0068  .1769  .1091 .15   .013   .008   .007  -.004   .007  -.001
Si1o .0068  .1769  .1091 .85   .013   .008   .007  -.004   .007  -.001
Al1z .0027  .1799  .6162 .85   .008   .008   .007  -.003   .003  -.002
Si1z .0027  .1799  .6162 .15   .008   .008   .007  -.003   .003  -.002
Al2o .6968  .1195  .1720 .85   .006   .004   .011   .001   .002  -.001
Si2o .6968  .1195  .1720 .15   .006   .004   .011   .001   .002  -.001
Al2z .6883  .1148  .6734 .15   .006   .008   .010   .000   .005   .001
Si2z .6883  .1148  .6734 .85   .006   .008   .010   .000   .005   .001
Oa1  .0049  .1335  .0003       .022   .012   .008  -.001   .010   .000
Oa2  .5988 -.0010  .1456       .013   .005   .021   .003   .004   .009
Obo  .8256  .1295  .1079       .030   .013   .024  -.008   .020  -.002
Obz  .8157  .1300  .6156       .011   .020   .028  -.004   .008   .004
Oco  .0158  .3004  .1207       .015   .019   .022  -.003   .010   .002
Ocz  .0205  .3109  .6320       .018   .017   .011  -.002   .004  -.005
Odo  .1856  .1254  .1964       .027   .023   .011   .002   .008   .007
Odz  .1958  .1211  .7010       .008   .021   .015  -.001   .000  -.003