AM_Niedermayrite Formula: Cu4 Cd S2 O18 H14 Name: Niedermayrite Unit cell: 5.543 21.995 6.079 90.0 92.04 90.0 , V=740.67 Space group: P121/M1 (11)

Giester G , Rieck B , Brandstatter F , Mineralogy and Petrology , 63 (1998) p.19-34, Niedermayrite, Cu4Cd(SO4)2(OH)6*4H2O, a new mineral from the Lavrion Mining District, Greece, Locality: Lavrion mining district, Attica peninsula, Greece