Remondite-(Ce) - Na3(Ca,Ce,La,Na,Sr)3(CO3)5
Carbonates
Habit: Orange red to brown. Crystals rare; typically massive or filling veinlets. Vitreous luster; transparent to translucent. White streak.
Environment: Occurs only in a nepheline syenite and associated with an intrusive alkalic gabbro-syenite complex.
Etymology: Named after Guy Remond (b. 1935), a French mineral physicist.