AM_Urusovite Formula: Cu Al As O5 Name: Urusovite Unit cell: 7.335 10.255 5.599 90.0 99.79 90.0 , V=415.03 Space group: P121/C1 (14)

Krivovichev S V , Molchanov A V , Filatov S K , Crystallography Reports , 45 (2000) p.723-727, Crystal structure of urusovite Cu(AlAsO5): a new type of an aluminoarsenate, tetrahedral polyanion, Locality: Kamchatka peninsula, Russia