Chabazite-Mg Passaglia E, Ferro O Studies in Surface Science and Catalysis 142 (2002) 1729-1735 Occurrence and crystal structure of magnesian chabazite Locality: Mont Semiol, Montbrison, France _database_code_amcsd 0017697 9.382 9.382 9.382 94.57 94.57 94.57 R-3m atom x y z occ Uiso Ca1 .2329 .2329 .2329 .220 .0394 K1 .2329 .2329 .2329 .170 .0394 Ca2 .5850 .5850 .2366 .068 .043 K2 .5850 .5850 .2366 .052 .043 Mg .4028 .4028 .4028 .33 .046 Si .10548 .33341 .87760 .724 .0121 Al .10548 .33341 .87760 .276 .0121 O1 .2602 .7398 0 .0362 O2 .1520 .8480 .5 .0265 O3 .2545 .2545 .8948 .0314 O4 .0279 .0279 .3254 .0294 Wat1 .5 .5 0 .112 Wat2 .221 .321 .515 .54 .162 Wat3 .5 .624 .376 .37 .14 Wat4 .543 .543 .295 .14 .11 Wat5 .268 .268 .268 .34 .13