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: M
_database_code_amcsd 0004573
7.3079 7.3079 16.9028 90 90 120 R-3m
atom       x        y       z occ Biso
K          0        0       0 .52  1.9
Na         0        0       0 .46  1.9
Fe   .166667 -.166667 -.16667     2.14
S          0        0   .3102      1.2
O1         0        0   .3945      2.0
O2     .2246   -.2246  -.0540      1.9
O3     .1271   -.1271   .1325       .4
H       .157    -.157    .173        2