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 = 5.564 GPa _database_code_amcsd 0017762 5.3522 14.5621 5.5354 90 90 90 Pnma atom x y z Biso Ca .4802 .1080 .0218 .51 FeM 0 0 0 .19 FeT .9446 .250 .9344 .29 O1 .2627 .9827 .2371 .31 O2 .0270 .1404 .073 .62 O3 .596 .250 .873 .4