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A single district in Hunan has anchored world antimony supply for more than a century, which is why export restrictions there move the global price immediately.
品位。 High-grade stibnite ore.
"品位"是指有用成分在矿石中所占的百分比。一座品位为0.5%的铜矿,每产出一吨铜就需丢弃199吨废石。这一个数字,决定了一个矿体究竟是可开采的矿山,还是仅具地质意义的有趣岩石。
产出内容
"副产品"是指因与主矿种赋存于同一岩体而被回收的金属,并非专门勘探的目标。因此,其供应量受主矿种经济性驱动,而非自身供需关系。
