The useful composition in the ore is simple, harmful composition is less and the major ore mineral is natural gold.
矿石的有用组分单一，有害杂质少，金矿物主要为自然金。
The useful composition in the ore is multiplicity, the harmful composition is lack and the major mineral is nature Gold.
矿石的有用组分多样，有害杂质少，金矿物主要为自然金。
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