Feldspar
Benna P, Bruno E
American Mineralogist 88 (2003) 1532-1541
Single-crystal in situ high-temperature structural investigation of the I-1 - I2/c phase
transition in Ca0.2Sr0.8Al2Si2O8 feldspar
T = 20 C
_database_code_amcsd 0003177
8.361 12.973 14.259 90.79 115.55 90.62 I-1
atom         x      y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca(0)    .2694  .0014 .0669  .2 .020   .008   .028   .022   .000   .003  -.011
Sr(0)    .2694  .0014 .0669  .8 .020   .008   .028   .022   .000   .003  -.011
Ca(z)    .2678  .0072 .5629  .2 .016   .008   .020   .017   .000   .004  -.003
Sr(z)    .2678  .0072 .5629  .8 .016   .008   .020   .017   .000   .004  -.003
SiT1(00) .0070  .1698 .1072     .010   .009   .011   .009  -.003   .005   .000
AlT1(0z) .0029  .1737 .6154     .009   .010   .010   .009  -.002   .005   .000
AlT1(m0) .0022  .8194 .1176     .009   .010   .010   .009   .001   .005   .000
SiT1(mz) .0068  .8222 .6095     .009   .009   .011   .008   .002   .004   .001
AlT2(00) .6919  .1185 .1669     .009   .008   .008   .010   .000   .003   .000
SiT2(0z) .6830  .1112 .6681     .009   .008   .008   .011  -.001   .004   .000
SiT2(m0) .6844  .8852 .1754     .009   .008   .008   .010   .000   .004   .000
AlT2(mz) .6927  .8781 .6724     .008   .008   .008   .010   .000   .004   .000
OA(10)   .0064  .1279 .9978     .014   .017   .017   .009  -.003   .007   .000
OA(1z)   .9945  .1287 .4966     .013   .014   .016   .010   .002   .008   .002
OA(20)   .5884  .9965 .1421     .013   .012   .008   .018   .000   .006   .002
OA(2z)   .5874  .9967 .6422     .013   .010   .008   .019  -.001   .006   .002
OB(00)   .8251  .1190 .1012     .016   .013   .017   .021  -.004   .011  -.001
OB(0z)   .8061  .1194 .6067     .015   .015   .017   .018  -.003   .011   .000
OB(m0)   .8100  .8675 .1174     .018   .015   .022   .024   .003   .013  -.003
OB(mz)   .8275  .8679 .6087     .016   .014   .020   .018   .005   .011   .002
OC(00)   .0148  .2924 .1242     .016   .015   .013   .019  -.006   .007  -.004
OC(0z)   .0193  .3047 .6381     .016   .015   .012   .020  -.006   .007  -.003
OC(m0)   .0144  .6865 .1229     .015   .014   .011   .019   .003   .006   .001
OC(mz)   .0094  .6979 .6119     .015   .013   .012   .018   .002   .005   .000
OD(00)   .1857  .1184 .1930     .017   .014   .023   .012   .001   .004   .002
OD(0z)   .1979  .1132 .6995     .016   .015   .017   .012   .002   .001   .002
OD(m0)   .1991  .8768 .2078     .015   .012   .017   .013   .000   .001  -.001
OD(mz)   .1877  .8697 .7000     .018   .015   .021   .015  -.002   .002  -.003