AM_Hilairite-(Rb) Formula: Rb3.61 Na.39 Zr2 Si6 O18.69 H6 Name: Hilairite-(Rb) Unit cell: 10.477 10.477 15.377 90.0 90.0 120.0 , V=1461.76 Space group: R113 (1)

Zubkova N V , Kolitsch U , Pekov I V , Turchkova A G , Vigasina M F , Pushcharovsky D Y , Tillmanns E , European Journal of Mineralogy , 21 (2009) p.495-506, Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite, Locality: Kirovskii mine, Khibiny alkaline complex, Kola Peninsula, Russia, Note: sample was synthesized by cation exchange at 150 C