Jarosite
Basciano L C, Peterson R C
American Mineralogist 93 (2008) 853-862
Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium
jarosite solid-solution: A synthetic study with full Fe site occupancy
Locality: synthetic
Sample: K
_database_code_amcsd 0004571
7.3045 7.3045 17.0875 90 90 120 R-3m
atom       x        y       z occ Biso
K          0        0       0 .76   .7
Na         0        0       0 .24   .7
Fe   .166667 -.166667 -.16667     2.27
S          0        0   .3091      1.6
O1         0        0   .3947      2.4
O2     .2226   -.2226  -.0542      1.9
O3     .1275   -.1275   .1325       .6
H       .165    -.165    .168        2