AM_Calderonite Formula: V1.912 Fe Pb1.937 O9 H Name: Calderonite Unit cell: 7.649 6.101 8.904 90.0 112.23 90.0 , V=384.63 Space group: P121/M1 (11)

Gonzalez del Tanago J , La Iglesia A , Rius J , Santin S F , American Mineralogist , 88 (2003) p.1703-1708, Calderonite, a new lead-iron-vanadate of the brackebuschite group