AM_Calcite_11 Formula: Ca C O3 Name: Calcite Unit cell: 4.991 4.991 17.062 90.0 90.0 120.0 , V=368.07 Space group: R-3C (167)

Maslen E N , Streltsov V A , Streltsova N R , Acta Crystallographica, Section B , 49 (1993) p.636-641, X-ray study of the electron density in calcite, CaCO3