AM_Ca(H2O)3(C2O4)
Formula: Ca C2 O7 H12
Name: Ca(H2O)3(C2O4)
Unit cell: 7.145 8.6 6.099 112.3 108.87 89.92 , V=324.94
Space group: P-1 (2)

Deganello S , Kampf A R , Moore P B , American Mineralogist , 66 (1981) p.859-865, The crystal structure of calcium oxalate trihydrate Ca(H2O)3(C2O4)