AM_Eveite
Formula: Mn2 As (O5 H)
Name: Eveite
Unit cell: 8.57 8.77 6.27 90.0 90.0 90.0 , V=471.25
Space group: PNNM (58)

Moore P B , Smyth J R , American Mineralogist , 53 (1968) p.1841-1845, Crystal chemistry of the basic manganese arsenates: III. The crystal structure, of eveite, Mn2(OH)(AsO4)