Chukanovite Lee A, Xu H Chemical Geology 488 (2018) 180-188 The crystal structure and Gibbs free energy of formation of chukanovite as an oxidation product of carbon steel in human liver Locality: surgery product from a man's liver _database_code_amcsd 0020884 12.402 9.414 3.216 90 97.73 90 P2_1/a atom x y z Uiso Fe1 .2109 .0009 .9588 .075 Fe2 .3949 .7688 .5651 .075 C .1436 .7331 .4935 .217 O1 .1401 .8644 .3691 .081 O2 .2342 .6671 .5479 .081 O3 .0539 .6715 .5552 .081 OH4 .3794 .8997 .0576 .063 OH5 .4266 .6181 .1327 .063