Laihunite Ferrifayalite Research Group Acta Geologica Sinica 50 (1976) 161-175 Ferrifayalite and its crystal structure Locality: Liaoning Province, China Note: Reported SiO bond lengths of 1.9 could not be reproduced _database_code_amcsd 0011976 4.808 10.171 5.824 90.0 90 90 P2_1/b atom x y z Fe1 0 0 0 Fe2 .509 .227 .273 Fe3 .009 .273 .727 Si1 .584 .099 .778 Si2 .084 .401 .222 O1 .258 .096 .789 O2 .729 .166 .509 O3 .742 .175 .039 O4 .830 .453 .766 O5 .242 .325 .961 O6 .229 .334 .491 O7 .330 .047 .234 O8 .758 .404 .211