Citation: Moore, P. B. (1968). Crystal chemistry of the basic manganese arsenate minerals: II. The crystal structure of allactite. American Mineralogist, 53, pp. 733-741.
Formula: As2 H8 Mn7 O16
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As4 Mn14 O32 (As2 Mn7 O16)
Multiplicity: 1
Coordination sequences: