lusuliya
2012年4月30日 23:38
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淡红银矿是一种银砷的硫化物,在银矿矿脉(矿脉是指散布在岩石中的矿体,它们不像矿床中的矿物那样集中聚集着)的上部可以看到它们粒状或块状的影子。淡红银矿具有明亮的晶体形状和鲜红的颜色,但当它的表面被氧化后…

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