Leucite

[lu:sait]

解释:

(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.

校对:马奇

解释:

n. a whitish mineral occurring only in volcanic rocks.—adj. Leucit′ic.

手打:梅尔瓦