用来辨别琥珀的测试方法: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Reconstituted from natural amber
用来辨别琥珀的测试方法: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Reconstituted from natural amber