LOT 6994 湖南郴州 毒砂、水晶、萤石
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产自:湖南省郴州市瑶岗仙
产自自国际著名的矿晶产地,几何棱角分明的毒砂晶体,呈明亮的金属光泽,生长在水晶晶簇上,与少量淡蓝色立方体萤石共生。毒砂虽然名称里面含有毒字,但这种矿物确没有毒,只有提炼出里面的砷才是有毒的,在提炼前是稳定的。它的主要化学成分为硫砷化铁。晶体常呈特征性的菱形、长柱形、矛头状等,属单斜晶系的硫化物矿物。因含砷量较高,是制取砷和各种砷化物的主要矿物原料。砷与其化合物被运用在农药、除草剂、杀虫剂,与许多种的合金中。中国从毒砂中制取砒霜(三氧化二砷)的历史悠久。
尺寸:11-10.5-5cm
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