margarite

mar.ga.rite

n.（名词）
A rock formation that resembles beads, found in glassy igneous rocks.
珍珠云母：一种存在于光滑的火成岩岩层中的呈珠粒状的岩层
Archaic A pearl.
【古语】 珍珠

来源：
Ultimately from Greek margaritôs [pearl]
最终源自 希腊语 margaritôs [珍珠]