Citation: Nagashima, M.; Armbruster, T. (2010). Ardennite, tiragalloite and medaite: structural control of (As5+,V5+,Si4+)O4 tetrahedra in silicates. Mineralogical Magazine, 74, pp. 55-71.
Formula: As0.093 H Mn6 O19 Si5.07 V0.837
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As4 H4 Mn24 O76 Si24 V4 (As H Mn6 O19 Si6 V)
Multiplicity: 1