AM_Natrochalcite_1 Formula: Na Cu2 S2 O10 H3 Name: Natrochalcite Unit cell: 8.809 6.187 7.509 90.0 118.74 90.0 , V=358.83 Space group: C12/M1 (12)

Chevrier G , Giester G , Zemann J , Zeitschrift fur Kristallographie , 206 (1993) p.7-14, Neutron refinements of NaCu2(H3O2)(SO4)2 and RbCu2(H3O2)(SeO4)2:, Variation of the hydrogen bond system in the natrochalcite-type series, Locality: synthetic