English dictionary
moonstone
/'m/u/n,st/oU/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
Source: WordNet 3.0
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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.
Source: webster1913