Melanterite
Mauro D, Biagioni C, Pasero M
Periodico di Mineralogia 87 (2018) 89-96
Crystal-chemistry of sulfates from Apuan Alps (Tuscany, Italy).
I. Crystal structure and hydrogen bond system of melanterite, Fe(H2O)6(SO4)*H2O
Locality: Fornovolasco mine, Tuscany, Italy
_database_code_amcsd 0020894
14.0751 6.5014 11.0426 90 105.632 90 P2_1/c
atom      x      y      z occ   Uiso
FeM1      0      0      0 .92 .02253
MgM1      0      0      0 .08 .02253
FeM2     .5      0     .5 .93 .02263
MgM2     .5      0     .5 .07 .02263
S    .22670 .47165 .17616     .02070
O1   .20482 .47065 .03726     .02934
O2   .13742 .53708 .21196     .03089
O3   .30786 .61609 .22691     .03463
O4   .25466 .26373 .22602     .03302
Ow1  .11233 .38395 .43126      .0526
Ow2  .10036 .95775 .18169     .03791
Ow3  .03025 .79316 .43223     .03415
Ow4  .47936 .45868 .17967     .03343
Ow5  .43178 .28426 .44160     .03549
Ow6  .35472 .85897 .44106     .03622
Ow7  .36367 .00531 .11505     .03607
H11   .1459   .259   .450       .073
H12   .1183   .432  .3527       .057
H22   .1235   .823  .2041       .065
H24   .1549   .047   .210       .073
H31   .0878   .872  .4643       .047
H32  -.0163   .876   .373       .089
H43   .4187   .511   .191       .061
H47   .5315   .472  .2536       .059
H54   .3761   .277  .3685       .067
H57   .4065   .358   .502       .095
H61   .3009   .922  .4612       .056
H63   .3380   .776  .3693       .067
H74   .3137   .084   .137       .089
H76   .3359  -.122   .080       .100