Leucite
[lu:sait]
Definition
(n.) A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash. It is found in the volcanic rocks of Italy, especially at Vesuvius.
(n.) A leucoplast.
Editor: Madge
Definition
n. a whitish mineral occurring only in volcanic rocks.—adj. Leucit′ic.
Checker: Melva