AM_Metakirchheimerite Formula: Co U2 As2 O20 H16 Name: Metakirchheimerite Unit cell: 7.1955 9.7715 13.2319 75.525 84.052 81.661 , V=889.08 Space group: P-1 (2)

Locock A J , Burns P C , Flynn M , The Canadian Mineralogist , 42 (2004) p.1699-1718, Divalent transition metals and magnesium in structures, that contain the autunite-type sheet, Sample: CoUAs8