Citation: Permer, L; Laligant, Y; Ferey, G (1993). Crystal structure of (Pb2.8 Fe1.2) Cu4 O1.6 (V O4)4 (O H)2 ; structural relationships with mineral gamagarite. European Journal of Solid State Inorganic Chemistry, 30, pp. 383-392.
Formula: Cu4 Fe1.12 H2 O19.6 Pb2.88 V4
Chemical name:Lead iron copper oxide vanadate hydroxide (2.9/1.1/4/1.6/4/2)