AM_Chalconatronite
Formula: Na2 Cu C2 O9 H2
Name: Chalconatronite
Unit cell: 9.696 6.101 13.779 90.0 91.83 90.0 , V=814.69
Space group: P121/N1 (14)

Mosset A , Bonnet J J , Galy J , Zeitschrift fur Kristallographie , 148 (1978) p.165-177, Structure cristalline de la chalconatronite synthetique: Na2Cu(CO3)2*3H2O, Locality: synthetic