Albite
Winter J K, Ghose S, Okamura F P
American Mineralogist 62 (1977) 921-931
A high-temperature study of the thermal expansion and the anisotropy of the
sodium atom in low albite
T = 970 deg C
Note: this sample of feldspar is from Tiburon, Marin County, California, USA
_database_code_amcsd 0000597
8.277 12.860 7.181 93.3 116.2 87.6 C-1
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na   .2782 .9883 .1468  .0236  .0203  .0612 -.0020  .0137 -.0124
Al1o .0098 .1747 .2113  .0111  .0032  .0113 -.0010  .0050  .0002
Si1m .0058 .8200 .2370  .0101  .0030  .0102  .0008  .0047  .0005
Si2o .6997 .1135 .3252  .0092  .0025  .0136 -.0005  .0040  .0002
Si2m .6911 .8830 .3596  .0091  .0025  .0139  .0002  .0044  .0006
Oa1  .0045 .1371 .9717  .0242  .0061  .0133 -.0002  .0106  .0011
Oa2  .6078 .0001 .2841  .0117  .0025  .0230 -.0002  .0043  .0012
Obo  .8155 .1223 .2012  .0164  .0073  .0282 -.0034  .0137 -.0005
Obm  .8252 .8531 .2549  .0178  .0081  .0359  .0031  .0175  .0009
Oco  .0225 .3080 .2679  .0151  .0036  .0285 -.0019  .0074 -.0007
Ocm  .0298 .6947 .2466  .0152  .0033  .0290  .0021  .0074  .0018
Odo  .2014 .1136 .3934  .0175  .0061  .0152  .0015  .0023  .0016
Odm  .1795 .8706 .4280  .0190  .0068  .0153 -.0023  .0006 -.0007