Slawsonite
Benna P, Bruno E
American Mineralogist 86 (2001) 690-696
Single-crystal in situ high-temperature structural investigation
on strontium feldspar
Sample T = 160 C
Locality: synthetic
_database_code_amcsd 0002653
8.392 12.967 14.260 90 115.43 90 I2/c
atom        x      y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sr      .2707 -.0018 .0657     .025   .011   .035   .027      0   .004  -.003
AlT1(0) .0067  .1753 .1085 .19 .011   .010   .013   .009  -.003   .004  -.001
SiT1(0) .0067  .1753 .1085 .81 .011   .010   .013   .009  -.003   .004  -.001
AlT1(z) .0036  .1781 .6162 .81 .010   .009   .013   .009  -.003   .003  -.001
SiT1(z) .0036  .1781 .6162 .19 .010   .009   .013   .009  -.003   .003  -.001
AlT2(0) .6949  .1204 .1708 .76 .010   .008   .011   .010  -.001   .003   .000
SiT2(0) .6949  .1204 .1708 .24 .010   .008   .011   .010  -.001   .003   .000
AlT2(z) .6864  .1134 .6718 .14 .010   .007   .010   .012  -.001   .003   .000
SiT2(z) .6864  .1134 .6718 .86 .010   .007   .010   .012  -.001   .003   .000
OA(1)   .0043  .1296 .0004     .016   .019   .021   .010  -.002   .007  -.003
OA(2)   .5937 -.0002 .1430     .017   .010   .011   .026   .001   .005  -.001
OB(0)   .8280  .1270 .1068     .022   .019   .026   .025  -.006   .014  -.003
OB(z)   .8105  .1276 .6116     .022   .017   .025   .029  -.005   .014   .002
OC(0)   .0138  .2987 .1187     .021   .019   .016   .023  -.006   .006  -.002
OC(z)   .0198  .3096 .6308     .021   .016   .017   .028  -.008   .007  -.005
OD(0)   .1862  .1255 .1964     .024   .020   .030   .015   .003   .002   .003
OD(z)   .1963  .1191 .7032     .021   .015   .026   .014   .001  -.001   .002