名词
中文翻译：蓝绿石
同义词：
['bluestone', 'blue-green quartzite']
例句：
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1.The ancient monument was made of blue-green quartzite.
这座古老的纪念碑是用蓝绿石英制成的。
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2. Blue-green quartzites are often used in jewelry making.
蓝绿石英矿常用于珠宝制作。
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3.The blue-green color of the stone is due to its high iron content.
这种石头的蓝色绿色是由于其高铁含量造成的。