moonstone definition

  • noun:
    • A variety of feldspar valued as a gem because of its pearly translucence.
    • A translucent gemstone, an orthoclase feldspar, that has a pearly lustre.
    • A nearly pellucid selection of feldspar, showing pearly or opaline reflections from within. It really is made use of as a gem. The most effective specimens result from Ceylon.
    • multiple feldspar which by reflected light presents a delicate pearly play of color perhaps not unlike that the moon.
    • a transparent or translucent gemstone with a pearly luster; some specimens tend to be orthoclase feldspar and others are plagioclase feldspar

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