AM_Ziesite Formula: Cu2 V2 O7 Name: Ziesite Unit cell: 7.689 8.0289 10.1065 90.0 110.252 90.0 , V=585.35 Space group: C12/C1 (15)

Hughes J M , Brown M A , Neues Jahrbuch fur Mineralogie, Monatshefte , 1989 (1989) p.41-47, The crystal structure of ziesite, beta-Cu2V2O7, a thortveitite-type, structure with a non-linear X-O-X inter-tetrahedral bond, Locality: synthetic