【摘要】 采用肉眼观察法、放大观察法、热针法、敲声法和比重法可以快速鉴别翡翠B货。据笔者多年积累的经验，多观察，勤实践，就可以提高识别翡翠B货的能力。更多还原

【Abstract】 Feicui B can be identified rapidly with methods of naked eye and magnifier observation,hot needle,knocking and specific gravity. According to our experience in many years,the abil ity of feicui B identification can be improved by more observation and more practice更多还原