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blue metal
archit. 蓝铜铳含铜约62%
construct. 碎蓝灰砂岩; 碎玄武岩; 蓝铜铳
nonferr. 冰铜; 含铁冰铜; 蓝铜锍;
tech. 黏土质片岩; 蓝锌粉; 泥质页岩; 铜硫层; 碎青石