[Lantian jade] 指用蓝田产的玉制成的首饰。蓝田,在长安东南,有蓝田山,以产玉著称
结果表明,玉石主要由蛇纹石化大理岩组成,与现代蓝田玉的成分和玉质相似。
The results show that the Qinglong jade is mainly composed of serpentined marble , similar to modern Lantian jade in both composition and texture .