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: Al5.022 As0.833 Ca0.69 Cu0.07 H6 Mg0.84 Mn3.31 O28 Si5.04 V0.195
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 As2 Ca8 Cu4 H12 Mg4 Mn8 O56 Si12 V6 (Al6 As Ca4 Cu2 H6 Mg2 Mn4 O28 Si6 V3)
Multiplicity: 1