Z= 4]. It occurs in a “natrolitized” sodalite–microcline–aegirine lens within apatite-rich urtite
at Mt. Koashva in the Khibiny alkaline complex, Kola Peninsula, Russia. The new mineral
species is associated with astrophyllite, burbankite, chlorbartonite, fluorapatite, fluorite,
lamprophyllite, polezhaevaite-(Ce) and villiaumite. Strontiofluorite occurs as cubo-
octahedral crystals (up to 0.5 mm in diameter) and compact masses that cement fibrous …