Unverified80% confidenceDecision RuleTime unknown
判断玻璃透明度与光泽:对光观察是否有明显绿边/黄调(铁杂质多),优质水晶玻璃通透无色偏;轻弹听声,清脆悠长回响多为高铅或高品质水晶,沉闷短促多为普通玻璃
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80%
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Long-term
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