Occurs as colorless, in places with a weak pink-brownish tint in irregular accumulations up to 1 mm, closely intergrown with eudialyte. The mineral occurs in ultra-agpaitic pegmatites at Alluaiv Mountain…The pegmatites consist of nepheline, sodalite, and potassium feldspar plus arfvedsonite, aegirine
Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia