Feldspar
Benna P, Tribaudino M, Bruno E
American Mineralogist 84 (1999) 120-129
High-temperature in situ structural investigation on lead feldspar
Sample at T = 465 C, split Pb atom model
_database_code_amcsd 0002071
8.440 13.051 14.325 90 115.33 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'    .2703 -.0157 .0717 .44   .024   .063   .043  -.021   .010  -.005
Pb"    .2798  .0068 .0693 .56   .026   .098   .071   .004   .013  -.000
Si1(O) .0061  .1786 .1095 .71   .024   .024   .019  -.004   .012   .000
Al1(O) .0061  .1786 .1095 .29   .024   .024   .019  -.004   .012   .000
Si1(z) .0039  .1802 .6160 .71   .011   .018   .014  -.006   .003  -.001
Al1(z) .0039  .1802 .6160 .29   .011   .018   .014  -.006   .003  -.001
Si2(O) .6980  .1194 .1727 .71   .006   .018   .017   .001   .001   .002
Al2(O) .6980  .1194 .1727 .29   .006   .018   .017   .001   .001   .002
Si2(z) .6890  .1152 .6726 .71   .019   .019   .024  -.005   .010  -.005
Al2(z) .6890  .1152 .6726 .29   .019   .019   .024  -.005   .010  -.005
OA(1)  .0028  .1347 .0009       .034   .041   .015   .001   .011  -.007
OA(2)  .6037 -.0012 .1468       .018   .019   .046   .015   .008   .000
OB(O)  .8287  .1308 .1100       .036   .043   .041  -.012   .020  -.007
OB(z)  .8128  .1329 .6134       .022   .051   .062  -.010   .024   .008
OC(O)  .0138  .3023 .1207       .024   .040   .027  -.005   .010  -.010
OC(z)  .0265  .3096 .6356       .034   .020   .058  -.019   .012  -.006
OD(O)  .1789  .1261 .1969       .042   .048   .036   .015   .010  -.002
OD(z)  .1983  .1217 .7015       .013   .046   .016  -.002  -.003   .008