Pyrite is the most common metal mineral in gold deposits. It not only has a close relationship with the gold mineralization, but also is the main gold-carrier.

黄铁矿是金矿中最常见的金属矿物，它不仅与金的矿化有着密切联系，而且还是主要的载金矿物。

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There are many types of sulfide minerals, but pyrite and marcasite, the two structural forms of FeS2 that are especially common in coal regions, are the major acid-producers.

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