Albite
Downs R T, Hazen R M, Finger L W
American Mineralogist 79 (1994) 1042-1052
The high-pressure crystal chemistry of low albite and the origin of the
pressure dependency of Al-Si ordering
P = 3.78 GPa
Note: sample is from Crete
_database_code_amcsd 0001687
7.8925 12.6400 7.0667 94.177 117.074 88.128 C-1
atom         x       y       z Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Na     .259554 .993991 .146231  2.4 .00585 .00467 .01862 -.00075 .00565 -.00564
Al1o   .004071 .165725 .205574  .62
Si1m  -.003004 .820357 .235064  .60
Si2o   .684489 .107146 .307435  .57
Si2m   .665743 .879248 .355477  .53
O(A1)  .009339 .127420 .968440  .85
O(A2)  .577834 .996000 .280509  .46
O(B)o  .807883 .099549 .185352 1.04
O(B)m  .805414 .848356 .250659 1.31
O(C)o -.006564 .299215 .270386  .85
O(C)m  .016696 .693325 .222220  .87
O(D)o  .212359 .111803 .387660 1.08
O(D)m  .177043 .869401 .434067 1.34