Rubicline Gasperin M Acta Crystallographica B27 (1971) 854-855 Structure cristalline de RbAlSi3O8 _cod_database_code 1001771 _database_code_amcsd 0009393 8.82 12.992 7.161 90 116.4 90 C2/m atom x y z occ Rb1 .2958 0 .1468 Al1 .0104 .1904 .2227 .25 Al2 .7227 .1195 .3440 .25 Si1 .0104 .1904 .2227 .75 Si2 .7227 .1195 .3440 .75 O1 0 .1525 0 O2 .664 0 .283 O3 .832 .1596 .226 O4 .0464 .3145 .263 O5 .1682 .1283 .403