Citation: Grey, I. E.; Madsen, I. C.; Harris, D. C. (1987). Barian tomichite, Ba.5(As2).5Ti2(V,Fe)5O13(OH), its crystal structure and relationship to derbylite and tomichite. American Mineralogist, 72, pp. 201-208.
Formula: As Fe O14 Ti2.98 V3.02
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As2 Fe14 O28 Ti14 V14 (As Fe7 O14 Ti7 V7)
Multiplicity: 1