AM_Magnesiotaaffeite-6N3S Formula: (Mg1.63 Fe.37) Al6 Be O12 Name: Magnesiotaaffeite-6N3S Unit cell: 5.683 5.683 41.13 90.0 90.0 120.0 , V=1150.39 Space group: R-3M (166)

Nuber B , Schmetzer K , Neues Jahrbuch fur Mineralogie, Monatshefte , 1983 (1983) p.393-402, Crystal structure of ternary Be-Mg-Al oxides: taaffeite, BeMg3Al8O16,, and musgravite, BeMg2Al6O12, Note: formerly known as musgravite-18R, Locality: Musgrave Ranges, Australia