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 = 6.326 GPa _database_code_amcsd 0017763 5.3422 14.5385 5.5277 90 90 90 Pnma atom x y z Biso Ca .4802 .1083 .0216 .65 FeM 0 0 0 .35 FeT .9454 .250 .9351 .46 O1 .2624 .9829 .2377 .43 O2 .0273 .1409 .0773 .92 O3 .5923 .250 .8759 .62