AM_Phosphohedyphane Formula: Ca1.838 Pb3.162 (P2.721 As.279) O12 Cl Name: Phosphohedyphane Unit cell: 9.857 9.857 7.13 90.0 90.0 120.0 , V=599.94 Space group: P63/M (176)

Kampf A R , Steele I M , Jenkins R A , American Mineralogist , 91 (2006) p.1909-1917, Phosphohedyphane, Ca2Pb3(PO4)3Cl, the phosphate analogue of hedyphane:, Description and crystal structure, Locality: Capitana mine, Copiapo, Atacama Province, Chile