AM_Ikaite Formula: Ca C O9 H12 Name: Ikaite Unit cell: 8.792 8.31 11.021 90.0 110.53 90.0 , V=754.07 Space group: C12/C1 (15)

Hesse K F , Kuppers H , Suess E , Zeitschrift fur Kristallographie , 163 (1983) p.227-231, Refinement of the structure of ikaite, CaCO3*6(H2O), Locality: Bransfield Strait, Antarctica