Fayalite Hazen R M American Mineralogist 62 (1977) 286-295 Effects of temperature and pressure on the crystal structure of ferromagnesian olivine T = 23 C, P = 1 atm , Evacuated silica capillary Locality: Franklin, New Jersey, USA _database_code_amcsd 0000570 4.798 10.390 6.055 90 90 90 Pbnm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 0 0 .562 .0031 .0015 .0028 .0001 -.0007 .0005 Mg1 0 0 0 .361 .0031 .0015 .0028 .0001 -.0007 .0005 Mn1 0 0 0 .077 .0031 .0015 .0028 .0001 -.0007 .0005 Fe2 .9867 .2792 .25 .538 .0038 .0007 .0024 .0001 0 0 Mg2 .9867 .2792 .25 .389 .0038 .0007 .0024 .0001 0 0 Mn2 .9867 .2792 .25 .073 .0038 .0007 .0024 .0001 0 0 Si .4287 .0957 .25 .0019 .0010 .0028 0 0 0 O1 .7661 .0918 .25 .0026 .0017 .0032 .0001 0 0 O2 .2127 .4514 .25 .0068 .0007 .0039 .0001 0 0 O3 .2844 .1633 .0357 .0051 .0015 .0036 .0006 .00020 .0005