Sanidine
Angel R J, Ross N L, Zhao J, Sochalski-Kolbus L, Kruger H, Schmidt B C
European Journal of Mineralogy 25 (2013) 597-614
Structural controls on the anisotropy of tetrahedral frameworks:
the example of monoclinic feldspars
Note: Sample San40, cation-exchanged sanidine
Locality: Synthetic
_database_code_amcsd 0020554
8.3463 12.9877 7.1683 90 116.180 90 C2/m
atom       x      y      z occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na   .77698     .5  .1365 .58  .0421  .0215  .0567  .0424      0  .0089      0
K    .77698     .5  .1365 .40  .0421  .0215  .0567  .0424      0  .0089      0
Ba   .77698     .5  .1365 .02  .0421  .0215  .0567  .0424      0  .0089      0
SiT1 .50803 .32001 .22330 .71 .01438  .0176  .0148  .0115  .0024  .0072  .0005
AlT1 .50803 .32001 .22330 .29 .01438  .0176  .0148  .0115  .0024  .0072  .0005
SiT2 .19761 .38344 .34224 .77 .01415  .0168  .0113  .0140  .0004  .0065  .0000
AlT2 .19761 .38344 .34224 .23 .01415  .0168  .0113  .0140  .0004  .0065  .0000
OA1      .5  .3590      0      .0258  .0359  .0243  .0204      0  .0154      0
OA2   .1122     .5  .2852      .0241  .0263  .0152  .0257      0  .0069      0
OB    .3241 .36280  .2264      .0283  .0264  .0339  .0295  .0040  .0169 -.0008
OC    .5253 .19402  .2537      .0229  .0225  .0188  .0250  .0016  .0083  .0021
OD    .6876 .37505  .4056      .0236  .0254  .0233  .0174 -.0015  .0052 -.0024