Calcite_6 Formula: Ca C O3 Name: Calcite Unit cell: 4.978 4.978 17.462 90.0 90.0 120.0 , V=374.74 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 = 750 C