Schwertmannite Fernandez-Martinez A, Timon V, Roman-Ross G, Cuello G J, Daniels J E, Ayora C American Mineralogist 95 (2010) 1312-1322 The structure of schwertmannite, a nanocrystalline iron oxyhydroxysulfate Note: Model 2, positions of sulfate groups not determined Locality: Monte Romero mine (Iberian Pyrite Belt), Spain _database_code_amcsd 0018671 10.821 6.002 10.514 90.0 92.6 90.0 P1 atom x y z Uiso Fe .345 0 .122 .002 Fe .150 0 .626 .002 O .288 0 .307 .009 O .052 0 .334 .009 O .334 0 .67 .009 O .324 0 .929 .009 Fe .883 .25 .560 .002 Fe .710 .25 .054 .002 O .786 .25 .756 .009 O .541 .25 .782 .009 O .866 .25 .126 .009 O .822 .25 .378 .009 Fe .688 0 .770 .002 Fe .897 0 .266 .002 O .709 0 .590 .009 O .964 0 .563 .009 O .690 0 .208 .009 O .691 0 .959 .009 Fe .158 .25 .323 .002 Fe .338 .25 .835 .002 O .211 .25 .141 .009 O .455 .25 .115 .009 O .164 .25 .777 .009 O .174 .25 .519 .009 Fe .328 .5 .117 .002 Fe .155 .5 .624 .002 O .287 .5 .307 .009 O .042 .5 .333 .009 O .335 .5 .671 .009 O .324 .5 .929 .009 Fe .841 .75 .554 .002 Fe .845 .75 .956 .002 O .786 .75 .765 .009 O .541 .75 .782 .009 O .854 .75 .138 .009 O .822 .75 .378 .009 Fe .668 .5 .771 .002 Fe .867 .5 .271 .002 O .709 .5 .590 .009 O .964 .5 .563 .009 O .691 .5 .959 .009 Fe .147 .75 .322 .002 Fe .353 .75 .821 .002 O .211 .75 .141 .009 O .455 .75 .115 .009 O .164 .75 .777 .009 O .174 .75 .519 .009 O .969 .5 .958 .009 O .969 0 .958 .009 O .690 .5 .213 .009