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, single Pb atom model _database_code_amcsd 0002066 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 .2731 -.0063 .0713 .021 .084 .044 -.006 .008 -.004 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