名词
中文翻译：萤石
同义词：
['fluorite', 'beryl例句：1. The gemstone is said to have a unique luminescent property.（这种宝石据说具有独特的发光特性。）']
例句：
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1. The gemstone is said to have a unique luminescent property.
这种宝石据说具有独特的发光特性。
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2.The sphene crystals were used in ancient jewelry.
古代的珠宝中用到了萤石晶体。
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3. The sphene has been found in many locations around the world.
萤石在世界许多地方都有发现。