用来判断是否为琥珀的测试: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Characteristic colour under uv rays; Reconstituted from natural amber.
用来判断是否为琥珀的测试: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odour if heated; Characteristic colour under uv rays; Reconstituted from natural amber.