Ilvaite is a rare mineral of calcium-iron-bearing silicate.

黑柱石是一种少见的含钙铁硅酸盐矿物。

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Chrysoberyl in some granite pegmatite is a rare mineral that seldom seen in Altatic area, and it is a valuable precious stone.

新疆阿尔泰地区某些花岗伟晶岩含有金绿宝石，它是一种罕见的稀有元素矿物，而且具有极高的经济价值。

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Set in the future when Earth's resources have been depleted, director James Cameron's film tells the story trying to mine a rare mineral.

由詹姆斯·卡梅隆执导的这部影片以未来地球资源消耗殆尽为背景，讲述了地球上的一家公司试图在外星球开采稀有矿产的故事。

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There is substantial upside potential in rare earth mineral stocks, and though a decisive bottom is not yet in place, risk-controlled entry points are evident for three leading producers.

FORBES: A New Trend for Rare Earth Stocks?

Yixing Xinwei processes and refines rare-earth mineral compounds, which are used in a variety of products from semiconductors to fluorescent lights (see accompanying box).

CNN: China's Rarest Man