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 = 9.73 GPa _database_code_amcsd 0017765 5.3035 14.4389 5.4979 90 90 90 Pnma atom x y z Biso Ca .4804 .1089 .0219 .65 FeM 0 0 0 .37 FeT .9449 .250 .9352 .45 O1 .2622 .9825 .2376 .59 O2 .0276 .1417 .0756 .90 O3 .5945 .250 .8756 .52