The main metals mineral are chalcopyrite , the next clinohedrite , alpha chalcocite bornite , malachite and azurite . a little amount blende , galena incidentally ryby silver , bismuth.

矿石中主要金属矿物为黄铜矿、其次为黝铜矿、兰辉铜矿、斑铜矿及铜的氧化物孔雀石、蓝铜矿。闪锌矿、方铅矿少量，偶见淡红银矿、硫酸钮矿。

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In the case of Alpha Natural Resources Inc, the RSI reading has hit 26.6 by comparison, the universe of metals and mining stocks covered by Metals Channel currently has an average RSI of 33.8, the RSI of Spot Gold is at 23.4, and the RSI of Spot Silver is presently 23.8.

FORBES: Alpha Natural Resources Inc Stock Getting Very Oversold