| Rinkite-(Ce) (Ca3REE )Na(NaCa)Ti(Si2O7)2(OF)F2 Crystal Data: Monoclinic. Point Group: 2/m. Crystals...electron microprobe analysis. (2) Mt. Yuskpor, Khibiny massif, Kola Peninsula, Russia, average electron microprobe...supergroup, rinkite group. Occurrence: Characteristic of some nepheline syenites and related pegmatites. Association:...Ilímaussaq intrusion, southern Greenland. On the Islands of Låven and Stokkø, and at Barkevik, Langesundsfjord...Peninsula, Russia. At the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan. From Mont Saint-Hilaire |
