Jarosite Mills S J, Nestola F, Kahlenberg V, Christy A G, Hejny C, Redhammer G J American Mineralogist 98 (2013) 1966-1971 Looking for jarosite on Mars: The low-temperature crystal structure of jarosite Note: T = 297 K Locality: Jaroso Ravine, Sierra Almagrera, Andalusia, Almeria, Spain _database_code_amcsd 0020094 7.2913 7.2913 17.1744 90 90 120 R-3m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K 0 0 0 .0160 .0185 .0185 .0112 .0092 0 0 Fe .5 0 .5 .93 .0056 .0036 .0018 .0108 .00088 -.00010 -.0002 Al .5 0 .5 .07 .0056 .0036 .0018 .0108 .00088 -.00010 -.0002 S 0 0 .30862 .0074 .0059 .0059 .0102 .00297 0 0 O1 0 0 .6065 .0127 .0143 .0143 .0095 .0072 0 0 O2 .22287 -.22287 -.05403 .0114 .0131 .0131 .0122 .0096 -.0006 .0006 O3 .12713 -.12713 .13553 .0102 .0062 .0062 .0176 .0026 .0021 -.0021 H1 .188 -.188 .112 .044