Moonstone n. (Min.) A nearly pellucid variety of feldspar, showing pearly or opaline reflections from within. It is used as a gem. The best specimens come from Ceylon.
... Cherry obeyed, and stood beside him attentively while he opened a small leather case and took out a pair of earrings each consisting of a tiny, pear-shaped moonstone dangling at the end of a ... — Afterwards • Kathlyn Rhodes
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