Pegmatite
[pegmәtait]
解釋/意思:
(noun.) a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements.
埃里卡手打--From WordNet
解釋/意思:
(n.) Graphic granite. See under Granite.
(n.) More generally, a coarse granite occurring as vein material in other rocks.
埃尔希編輯
解釋/意思:
n. coarsely crystallised granite.—adj. Pegmatit′ic.
安吉洛手打