AM_Flinkite Formula: Mn3 As (O8 H4) Name: Flinkite Unit cell: 9.55 13.11 5.25 90.0 90.0 90.0 , V=657.30 Space group: PNMA (62)

Moore P B , American Mineralogist , 52 (1967) p.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)