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moonstone

DEFINITIONS OF: moonstone

1

n a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar

Type of:
feldspar, felspar
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
transparent gem
a gemstone having the property of transmitting light without serious diffusion
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