Flinkite
Moore P B
American Mineralogist 52 (1967) 1603-1613
Crystal chemistry of the basic manganese arsenate minerals 1. The crystal
structures of flinkite, Mn2Mn(OH)4(AsO4) and retzian, Mn2Y(OH)4(AsO4)
_database_code_amcsd 0000160
9.55 13.11 5.25 90 90 90 Pnma
atom      x     y     z Biso
Mn1       0     0     0 1.26
Mn2   .0205 .1319 .4875 1.41
As    .1542   .75 .0257  .47
OH1   .1398 .0756 .1617 1.31
O2   -.0916 .1474 .8361  .96
OH3  -.0994 .0059 .2974 1.06
O4    .0988   .75 .7067 1.00
O5    .1705   .25 .5438  .98