如何分辨玉石还是塑料我得到一只镯子,别人说是塑料的,我不信,但我用刀划它时有白色粉末出现,这镯子到底用什么做的
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![如何分辨玉石还是塑料我得到一只镯子,别人说是塑料的,我不信,但我用刀划它时有白色粉末出现,这镯子到底用什么做的](/uploads/image/z/3496219-43-9.jpg?t=%E5%A6%82%E4%BD%95%E5%88%86%E8%BE%A8%E7%8E%89%E7%9F%B3%E8%BF%98%E6%98%AF%E5%A1%91%E6%96%99%E6%88%91%E5%BE%97%E5%88%B0%E4%B8%80%E5%8F%AA%E9%95%AF%E5%AD%90%2C%E5%88%AB%E4%BA%BA%E8%AF%B4%E6%98%AF%E5%A1%91%E6%96%99%E7%9A%84%2C%E6%88%91%E4%B8%8D%E4%BF%A1%2C%E4%BD%86%E6%88%91%E7%94%A8%E5%88%80%E5%88%92%E5%AE%83%E6%97%B6%E6%9C%89%E7%99%BD%E8%89%B2%E7%B2%89%E6%9C%AB%E5%87%BA%E7%8E%B0%2C%E8%BF%99%E9%95%AF%E5%AD%90%E5%88%B0%E5%BA%95%E7%94%A8%E4%BB%80%E4%B9%88%E5%81%9A%E7%9A%84)
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