1. 珠母般的：pearlash 珍珠灰 | pearlescent 珠母般的 | pearly 珍珠似的

2. 珠光：paint, coating 涂料, 油漆 两单词当今己互通,不需要太执着. | pearlescent 珠光 | pigments 颜料 涂料成份之一, 让涂料带颜色.

1. having a play of lustrous rainbow colors

    e.g. an iridescent oil slick
           nacreous (or pearlescent) clouds looking like mother-of-pearl
           a milky opalescent (or opaline) luster

    Synonym: iridescentnacreousopalescentopaline