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 = 1.22 GPa
Note: sample is from Crete
_database_code_amcsd 0001685
8.0510 12.7336 7.1242 94.252 116.784 87.909 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    .263883 .990707 .141914  4.2 .00916 .00576 .04824 -.00070 .01680 -.00482
Al1o  .007189 .167548 .206792  .57
Si1m  .001821 .820863 .236207  .54
Si2o  .690937 .109614 .316885  .52
Si2m  .676495 .881260 .360042  .56
O(A1) .005997 .131056 .970082  .93
O(A2) .584997 .996465 .276788  .48
O(B)o .810221 .106478 .188614 1.05
O(B)m .814714 .850320 .250473 1.24
O(C)o .008334 .300961 .272668  .86
O(C)m .021481 .694079 .228248  .88
O(D)o .210446 .108983 .391119 1.08
O(D)m .174357 .866692 .423200 1.39