Fairchildite
Pertlik F
Zeitschrift fur Kristallographie 157 (1981) 199-205
Structural investigations of synthetic fairchildite, K2Ca(CO3)2
Locality: synthetic
Note: y(O1) changed to satisfy symmetry constraints
_database_code_amcsd 0010845
5.294 5.294 13.355 90 90 120 P6_3/mmc
atom       x      y     z occ Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
KMe1     1/3    2/3 .0996     1.12  .0155  .0156  .0023  .00775      0      0
CaMe2      0      0   .25     1.33  .0236  .0236  .0019   .0118      0      0
C1       1/3    2/3   .75     1.41  .0137  .0137  .0038  .00685      0      0
C2         0      0     0     1.06   .026   .026  .0004    .013      0      0
O1    .52649 .05298   .25     1.85  .0248  .0129  .0039  .00645      0      0
O2     .0865  .1730 .9224 1/3  2.9
O3     .2380      0     0 1/6  2.9