[{"Bold_text": "noun", "List Items": ["Also calledprecious moonstone.a semitransparent or translucent, opalescent, pearly-blue variety of adularia, used as a gem.", "any of several adularescent feldspars, as certain varieties of albite, labradorite, or oligoclase, used as gems.", "(not used technically) any milky or girasol stone as a gem."]}]