Dawsonite Chinh L T, Pobedimskaya E A, Khomyakov A P Vestnik Moskovskogo Universiteta Geologiya 42 (1987) 74-77 Crystal structure of dawsonite, NaAl(CO3)(OH)2 and its first discovery in the Khibiny alkaline massiv Locality: Khibiny alkaline massif, Kola peninsula, Russia _database_code_amcsd 0015709 6.762 10.428 5.593 90 90 90 I2cm atom x y z Biso Na .7401 .7495 .25 1.87 Al -.0040 0 0 .69 C -.0180 .7514 .75 .77 O1 -.0150 .3675 .25 1.42 O2 -.0015 .8149 .5488 1.32 O3 .1682 -.0222 .25 .31 O4 .8004 -.0295 .25 1.68 H1 .2264 .4837 .25 H2 .7649 .4659 .25