Natrojarosite
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: O
_database_code_amcsd 0004575
7.3144 7.3144 16.6491 90 90 120 R-3m
atom       x        y       z occ Biso
Na         0        0       0 .85  3.4
K          0        0       0 .11  3.4
Fe   .166667 -.166667 -.16667     1.62
S          0        0   .3121      1.2
O1         0        0   .4008      1.4
O2     .2229   -.2229  -.0510      1.5
O3     .1257   -.1257   .1305       .4
H       .162    -.162    .169        2