Dawsonite
Frueh A J, Golightly J P
The Canadian Mineralogist 9 (1967) 51-56
The crystal structure of dawsonite NaAl(CO3)(OH)2
Locality: McGill University, Montreal, Quebec, Canada
_database_code_amcsd 0005083
6.710 10.411 5.58 90 90 90 Imam
atom   x    y    z Biso
Na   .25  .75  .25  .03
Al     0   .5    0  .03
C      0 .254  .25  .03
O1     0 .133  .25  .03
O2     0 .315 .052  .03
OH   .18 .525  .25  .03