AM_Dolomite_50 Formula: Ca (Mg.67 Fe.33) C2 O6 Name: Dolomite Unit cell: 4.817 4.817 16.0794 90.0 90.0 120.0 , V=323.11 Space group: R11-3 (1)

Drits V A , McCarty D K , Sakharov B , Milliken K L , The Canadian Mineralogist , 43 (2005) p.1255-1290, New insight into structural and compositional, variability in some ancient excess-Ca dolomite, Sample: Ankerite