AM_Rouvilleite Formula: Na3 Ca1.361 Mn.439 Fe.06 Y.034 Dy.02 C3 O9 F.987 Name: Rouvilleite Unit cell: 8.012 15.79 7.019 90.0 100.78 90.0 , V=872.30 Space group: C1C1 (9)

Yamnova N A , Pushcharovskii D Yu , Khomyakov A P , Vyatkin S V , Soviet Physics - Crystallography , 36 (1991) p.14-16, Crystal structure of the new natural fluorocarbonate Na3Ca(Mn,Ca)(CO3)3F, Locality: hydrothermalites, Lovozero alkaline massif, Kola Peninsula, Russia