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 = 230 C, split Pb atom model
_database_code_amcsd 0002070
8.422 13.045 14.310 90 115.34 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'    .2705 -.0136 .0726 .59   .021   .054   .034  -.013   .007  -.001
Pb"    .2787  .0089 .0686 .41   .019   .081   .061   .006   .012   .005
Si1(O) .0059  .1777 .1100 .71   .016   .019   .012  -.004   .005   .001
Al1(O) .0059  .1777 .1100 .29   .016   .019   .012  -.004   .005   .001
Si1(z) .0039  .1798 .6158 .71   .011   .017   .013  -.003   .005   .001
Al1(z) .0039  .1798 .6158 .29   .011   .017   .013  -.003   .005   .001
Si2(O) .6959  .1194 .1714 .71   .013   .013   .015   .002   .002   .002
Al2(O) .6959  .1194 .1714 .29   .013   .013   .015   .002   .002   .002
Si2(z) .6901  .1148 .6732 .71   .008   .018   .015  -.003   .003  -.003
Al2(z) .6901  .1148 .6732 .29   .008   .018   .015  -.003   .003  -.003
OA(1)  .0041  .1342 .0011       .029   .031   .014  -.001   .009  -.001
OA(2)  .6023 -.0016 .1462       .011   .016   .038   .000   .004  -.001
OB(O)  .8236  .1310 .1078       .017   .037   .029  -.008   .008   .001
OB(z)  .8153  .1320 .6159       .031   .039   .052  -.007   .028   .001
OC(O)  .0200  .3011 .1217       .020   .032   .026  -.008   .012  -.002
OC(z)  .0176  .3101 .6332       .026   .027   .036  -.010   .011  -.006
OD(O)  .1815  .1252 .1976       .028   .037   .022   .004   .005  -.001
OD(z)  .1982  .1208 .7011       .012   .035   .016  -.001  -.002   .005