Paracoquimbite Robinson P D, Fang J H American Mineralogist 56 (1971) 1567-1572 Crystal structures and mineral chemistry of hydrated ferric sulphates: II. The crystal structure of paracoquimbite Locality: Chuquicamata, Chile _database_code_amcsd 0000261 10.926 10.926 51.300 90 90 120 R-3 atom x y z Biso Fe1 0 0 0 3.4 Fe2 0 0 .5 3.6 Fe3 0 0 .2507 3.2 Fe4 0 0 .1677 3.2 Fe5 0 0 .6652 3.5 S1 .249 .4169 .8756 1.8 S2 .584 .7554 .9593 1.8 O1 .325 .349 .8650 2.4 O2 .655 .682 .9697 2.7 O3 .114 .310 .8865 2.5 O4 .685 .892 .9486 2.4 O5 .223 .493 .8545 2.1 O6 .504 .778 .9807 2.1 O7 .339 .520 .8960 1.7 O8 .481 .662 .9388 2.0 OH9 .171 .073 .8553 2.5 OH10 .929 .826 .9787 2.9 OH11 .446 .114 .9016 2.8 OH12 .886 .550 .9290 2.7 OH13 .596 .434 .8552 2.7 OH14 .575 .410 .9755 2.9