AM_Calcite_4 Formula: Ca C O3 Name: Calcite Unit cell: 4.98 4.98 17.224 90.0 90.0 120.0 , V=369.93 Space group: R-3C (167)

Markgraf S A , Reeder R J , American Mineralogist , 70 (1985) p.590-600, High-temperature structure refinements of calcite and magnesite, Sample: T = 400 C