AM_Nyerereite_1 Formula: Ca Na1.64 K.36 C2 O6 Name: Nyerereite Unit cell: 5.05 5.05 12.85 90.0 90.0 120.0 , V=283.80 Space group: P63MC (186)

McKie D , Frankis E J , Zeitschrift fur Kristallographie , 145 (1977) p.73-95, Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania, Note: high-temperature polymorph with an structure that has been inferred, Locality: Oldoinyo Lengai, Tanzania