AM_Calcite Formula: Ca C O3 Name: Calcite Unit cell: 4.99 4.99 17.0615 90.0 90.0 120.0 , V=367.92 Space group: R-3C (167)

Graf D L , American Mineralogist , 46 (1961) p.1283-1316, Crystallographic tables for the rhombohedral carbonates