《天工开物·下篇·珠玉》
所谓蓝田，是出玉的葱岭的另一地名，而后世误以为是西安附近的蓝田。
所谓蓝田，即葱岭出玉别地名，而后世误以为西安之蓝田也。
The so-called Lantian was another name for the Kunlun Mountains where jade was found, but later generations incorrectly believed it was Lantian near Xi'an.