moonstone

views updated May 08 2018

moonstone A variety of adularia. See ALKALI FELDSPARS; and PERTHITE.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

moonstone

views updated Jun 27 2018

moon·stone / ˈmoōnˌstōn/ • n. a pearly white semiprecious stone consisting of alkali feldspar.

The Oxford Pocket Dictionary of Current English

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moonstone

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