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 = 253 K Locality: Jaroso Ravine, Sierra Almagrera, Andalusia, Almeria, Spain _database_code_amcsd 0020095 7.2931 7.2931 17.1456 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 .0137 .0151 .0151 .0108 .0076 0 0 Fe .5 0 .5 .93 .00447 .0026 .0013 .0091 .00065 .00003 .00007 Al .5 0 .5 .07 .00447 .0026 .0013 .0091 .00065 .00003 .00007 S 0 0 .30880 .0066 .0054 .0054 .0091 .00270 0 0 O1 0 0 .60621 .0102 .0107 .0107 .0090 .0054 0 0 O2 .22272 -.22272 -.05393 .0106 .0115 .0115 .0127 .0087 -.0007 .0007 O3 .12679 -.12679 .13548 .0090 .0056 .0056 .0149 .0021 .0013 -.0013 H1 .186 -.186 .113 .030