phengītes, ae, m., = φεγγίτης,
phengite , selenite , or erystallized gypsum , used for window-panes: in Cappadociā repertus est lapis candidus, atque translucens, ex argumento phengites appellatus, Plin. 36, 22, 46, § 163; lapis, Suet. Dom. 14.