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_H136h, single Pb site
_database_code_amcsd 0001959
8.418 13.076 14.365 90 115.28 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 -.0045  .0715       .015   .098   .032  -.016   .006  -.005
Al1o .0055  .1775  .1105 .29   .009   .016   .008  -.004   .002   .001
Si1o .0055  .1775  .1105 .71   .009   .016   .008  -.004   .002   .001
Al1z .0040  .1794  .6147 .71   .011   .012   .010  -.003   .006  -.001
Si1z .0040  .1794  .6147 .29   .011   .012   .010  -.003   .006  -.001
Al2o .6942  .1186  .1719 .71   .006   .007   .012  -.001   .004  -.001
Si2o .6942  .1186  .1719 .29   .006   .007   .012  -.001   .004  -.001
Al2z .6897  .1153  .6735 .29   .008   .012   .007   .000   .002  -.001
Si2z .6897  .1153  .6735 .71   .008   .012   .007   .000   .002  -.001
Oa1  .0021  .1342 -.0010       .019   .020   .012  -.001   .008  -.003
Oa2  .5992 -.0003  .1462       .010   .010   .025  -.001   .006  -.002
Obo  .8219  .1311  .1084       .017   .024   .027   .004   .010   .001
Obz  .8169  .1305  .6146       .019   .022   .030  -.004   .014  -.001
Oco  .0160  .3025  .1233       .023   .020   .021  -.006   .009   .003
Ocz  .0206  .3092  .6310       .014   .017   .027  -.006   .005  -.002
Odo  .1876  .1242  .1980       .018   .027   .015   .004   .002   .003
Odz  .1946  .1222  .7007       .016   .026   .016  -.002   .003  -.001