noun
a variety of quartz that contains small shiny inclusions of minerals such as mica or hematite, giving it a sparkling or shimmering effect
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The jewelry store had a beautiful necklace made of adventurine gemstones.
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I love the color of that adventurine bracelet, it's so pretty!
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Check out this cool adventurine ring I found at the thrift store.
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Her eyes sparkled like polished adventurine in the sunlight.