Zunyite Pauling L Zeitschrift fur Kristallographie 84 (1933) 442-452 The crystal structure of zunyite, Al13 Si5 O20 ((O H), F)18 Cl _cod_database_code 1011254 _database_code_amcsd 0018116 13.820 13.820 13.820 90 90 90 F-43m atom x y z occ Cl1 .5 .5 .5 Si1 .25 .25 .25 Si2 .117 .117 .117 Al1 .75 .75 .75 Al2 .089 .089 -.228 O1 -.177 -.177 -.177 O2 .184 .184 .184 O3 .273 0 0 .5 O4 .181 .181 .545 .5 O5 .139 .139 .006 F1 .273 0 0 .5 F2 .181 .181 .545 .5