Todorokite
Post J E, Bish D L
American Mineralogist 73 (1988) 861-869
Rietveld refinement of the todorokite structure
Sample: Cuba
_database_code_amcsd 0001190
9.789 2.834 9.551 90 93.7 90 P2/m
atom    x  y    z Biso
Mn1    .5 .5    0   .8
Mn2  .764  0 .002   .8
Mn3     0  0   .5   .8
Mn4   .99 .5 .759   .8
O1    .18 .5 .116  1.0
O2   .403  0 .069  1.0
O3   .663 .5  .11  1.0
O4   .908  0  .15  1.0
O5   .993 .5 .472  1.0
O6   .889  0 .666  1.0