pegmatite
n. 伟晶岩；结晶花岗岩
例句
Pegmatite is a coarse type of granite that can be found in dikes or veins.
伟晶花岗岩是一种可以在堤防或静脉发现粗的类型。
Ores are of pegmatite granites texture, graphic and massive, banded structure.
矿石为花岗伟晶结构，似文象结构和块状、条带状构造。
Donghu pegmatite deposit is characterized by granitic and completely differential pegmatite.
东湖伟晶岩矿床为花岗质完全分异式伟晶岩类型；
