Srebrodolskite Vanpeteghem C B, Angel R J, Zhao J, Ross N L, Redhammer G J, Seifert F Physics and Chemistry of Minerals 35 (2008) 493-504 The effect of oxygen vacancies and aluminium substitution on the high-pressure properties of brownmillerite-structured Ca2Fe2-xAlxO5 Locality: synthetic Note: x = 0.0 Note: P = 0.0001 GPa _database_code_amcsd 0017759 5.4271 14.7619 5.5978 90 90 90 Pnma atom x y z Biso Ca .4810 .1081 .0226 0.73 FeM 0 0 0 .36 FeT .9451 .250 .9335 .44 O1 .2633 .9821 .2368 .47 O2 .0227 .1406 .0731 .88 O3 .6001 .250 .8737 .53