Feldspar
Chiari G, Calleri M, Bruno E, Ribbe P H
American Mineralogist 60 (1975) 111-119
The structure of partially disordered, synthetic strontium feldspar
_database_code_amcsd 0000444
8.388 12.974 14.264 90 115.2 90 I2/c
atom        x     y     z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Sr      .2690 -.002 .0656      .0021  .0027  .0013  .0001  .0002 -.0002
SiT1(o) .0066 .1746 .1083  .9  .0023  .0015  .0006 -.0005  .0003 -.0001
AlT1(o) .0066 .1746 .1083  .1  .0023  .0015  .0006 -.0005  .0003 -.0001
SiT1(z) .0032 .1775 .6164  .1  .0036  .0016  .0004 -.0002  .0006  .0000
AlT1(z) .0032 .1775 .6164  .9  .0036  .0016  .0004 -.0002  .0006  .0000
SiT2(o) .6934 .1200 .1706  .1  .0019  .0016  .0004 -.0002  .0001 -.0001
AlT2(o) .6934 .1200 .1706  .9  .0019  .0016  .0004 -.0002  .0001 -.0001
SiT2(z) .6845 .1137 .6716  .9  .0035  .0012  .0006  .0001  .0005  .0001
AlT2(z) .6845 .1137 .6716  .1  .0035  .0012  .0006  .0001  .0005  .0001
OA(1)   .0045 .1289 .0003      .0039  .0023  .0006  .0009  .0008 -.0002
OA(2)   .5911 .0002 .1427      .0030  .0017  .0013  .0008  .0003  .0004
OB(o)   .8267 .1266 .1054      .0057  .0028  .0012 -.0002  .0017 -.0002
OB(z)   .8104 .1263 .6113      .0036  .0031  .0017 -.0013  .0016  .0000
OC(o)   .0132 .2984 .1186      .0043  .0026  .0007 -.0011  .0000 -.0004
OC(z)   .0188 .3090 .6304      .0043  .0021  .0018 -.0005  .0013 -.0002
OD(o)   .1876 .1245 .1955      .0058  .0029  .0010  .0003  .0006  .0002
OD(z)   .1960 .1190 .7027      .0036  .0031  .0006  .0004 -.0003 -.0001