6134m

1、看颜色 红珊瑚的颜色是一种鲜活生动的红色，不管是浅是深，它都活，不死，不郁结。且红珊瑚带有明亮的蜡质光泽。而染色的红珊瑚没有光泽，颜色也郁结死沉。染色珊瑚是用有机染料将白珊瑚染成红色和其他颜色，鉴别特征是染料在裂缝中富集，并且外部色深内部色浅。2、听声音 真的珊瑚看似娇嫩但在相互...

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