用于检测琥珀的实验方法: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Reconstituted from natural amber
用于检测琥珀的实验方法: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Reconstituted from natural amber