AM_Swedenborgite_1 Formula: Sb Na.89 Ca.04 Be4 O7 Name: Swedenborgite Unit cell: 5.4317 5.4317 8.8571 90.0 90.0 120.0 , V=226.30 Space group: P63MC (186)

Huminicki D M C , Hawthorne F C , The Canadian Mineralogist , 39 (2001) p.153-158, Refinement of the crystal structure of swedenborgite