AM_Parsonsite_1 Formula: U Pb2 P2 O10 Name: Parsonsite Unit cell: 6.8432 10.4105 6.6718 101.418 98.347 86.264 , V=460.64 Space group: P-1 (2)

Locock A J , Burns P C , Flynn T M , American Mineralogist , 90 (2005) p.240-246, The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n, and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 < n < 0.5