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 = 2.249 GPa _database_code_amcsd 0017760 5.3956 14.6756 5.5703 90 90 90 Pnma atom x y z Biso Ca .4803 .1082 .0224 .65 FeM 0 0 0 .35 FeT .9457 .250 .9347 .41 O1 .2629 .9830 .2371 .42 O2 .0255 .1394 .0741 .89 O3 .5976 .250 .8737 .42