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 = 750 deg C
Note: this sample of feldspar is from Tiburon, Marin County, California, USA
_database_code_amcsd 0000596
8.242 12.841 7.176 93.7 116.3 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   .2759 .9882 .1466  .0184  .0174  .0487 -.0024  .0105 -.0131
Al1o .0094 .1727 .2102  .0089  .0026  .0092 -.0008  .0040  .0002
Si1m .0051 .8198 .2372  .0082  .0024  .0084  .0007  .0039  .0005
Si2o .6974 .1124 .3221  .0075  .0020  .0109 -.0004  .0032  .0002
Si2m .6886 .8826 .3605  .0074  .0020  .0113  .0002  .0036  .0006
Oa1  .0049 .1359 .9703  .0198  .0048  .0108 -.0004  .0086  .0009
Oa2  .6038 .9993 .2841  .0090  .0021  .0189 -.0001  .0034  .0012
Obo  .8140 .1186 .1967  .0136  .0056  .0226 -.0027  .0111 -.0008
Obm  .8233 .8520 .2555  .0154  .0065  .0307  .0029  .0155  .0011
Oco  .0203 .3062 .2696  .0123  .0028  .0231 -.0017  .0062 -.0009
Ocm  .0275 .6940 .2413  .0123  .0027  .0220  .0015  .0050  .0010
Odo  .2029 .1119 .3921  .0147  .0050  .0124  .0013  .0018  .0013
Odm  .1808 .8694 .4301  .0162  .0053  .0124 -.0020  .0004 -.0008