用于辨别天然琥珀的测试: floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic colour under UV rays.
用于辨别天然琥珀的测试: floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic colour under UV rays.