矿怎么识别呀哪个告诉我下有分加哦!这是50分还有100分哦!在http://zhidao.baidu.com/q?ct=17&pn=0&tn=ikask&rn=12&word=%BF%F3%D4%F5%C3%B4%CA%B6%B1%F0&cm=1&lm=394496我想知道一些普通常见的矿的识别方法!比如铜矿石

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