Allactite
Moore P B
American Mineralogist 53 (1968) 733-741
Crystal chemistry of the basic manganese arsenate minerals: II. The crystal
structure of allactite
_database_code_amcsd 0000169
11.03 12.12 5.51 90 114.07 90 P2_1/a
atom      x      y      z Biso
Mn1       0      0      0 1.30
Mn2   .2101  .1801 -.0604  .95
Mn3  -.0067  .4308  .7404  .82
Mn4  -.0001  .2893  .2516 1.02
As   -.2079  .0794  .3262  .18
OH1   .1152  .3065  .6733 1.07
O2   -.1219  .5717  .8256  .56
OH3   .0938  .1554  .1726 1.46
O4   -.1660  .2017  .2525 1.47
OH5  -.1153  .4373  .3116 1.36
OH6   .1257  .6831  .1744  .92
O7   -.1414 -.0187  .2131  .93
O8    .3380  .4259  .6601 1.36