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 = 0.37 Note: P = 2.015 GPa _database_code_amcsd 0017767 5.3769 14.6032 5.5712 90 90 90 Pnma atom x y z occ Biso Ca .4838 .10830 .0240 .63 FeM 0 0 0 .93 .45 AlM 0 0 0 .07 .45 FeT .9468 .250 .9325 .70 .32 AlT .9468 .250 .9325 .30 .32 O1 .259 .9844 .2404 .57 O2 .024 .1419 .0735 .85 O3 .602 .250 .8691 .41