Eldfellite
Balic-Zunic T, Garavelli A, Acquafredda P, Leonardsen E, Jakobsson S P
Mineralogical Magazine 73 (2009) 51-57
Eldfellite, NaFe(SO4)2, a new fumarolic mineral from Eldfell volcano, Iceland
Locality: Eldfell volcano, Iceland
_database_code_amcsd 0014587
8.043 5.139 7.115 90 92.13 90 C2/m
atom    x    y    z occ Biso
Na      0    0   .5 .77  1.5
K       0    0   .5 .01  1.5
Fe      0    0    0 .82   .6
Mg      0    0    0 .08   .6
Al      0    0    0 .03   .6
Mn      0    0    0 .01   .6
Ti      0    0    0 .02   .6
S    .370    0 .212       .6
P    .370    0 .212 .03   .6
O1   .237    0 .063      1.5
O2   .285    0 .375      1.5
O3   .457 .237 .221      1.5