Formula: Ca Na1.64 K.36 C2 O3
Name: Nyerereite
Unit cell: 5.044 8.809 12.743 90.0 90.0 90.0 , V=566.20
Space group: CMC21 (36)

McKie D , Frankis E J , Zeitschrift fur Kristallographie , 145 (1977) p.73-95, Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania, Note: low-temperature polymorph that inverted from the high-temperature polymorph, Note: only half of the O atoms have been located, Locality: Oldoinyo Lengai, Tanzania