AM_Butschliite_1 Formula: K2 Ca C2 O6 Name: Butschliite Unit cell: 5.387 5.387 18.16 90.0 90.0 120.0 , V=456.39 Space group: R-3M (166)

Knobloch D , Pertlik F , Zemann J , Neues Jahrbuch fur Mineralogie, Monatshefte , 1980 (1980) p.230-236, Crystal structure refinements of buetschliite and eitelite:, a contribution to the stereochemistry of trigonal carbonate minerals, Note: synthetic