Category: Gift

Question:
jade several points, how to identify, if done jade business, how purchase

Answer:
1, Lan Tian
production in Lantian County, Sh做爱nxi Province. Lan Tian appearance of yellow, light green, opaque, Mohs hardness of 4 degrees. Is a serpentine-oriented Diopside class. Lan Tian mining has a long history, found in Han Dynasty, Zhang Heng, and Ban Gu Wen Fu and other records. Jade mines are still producing. Due to production of small, after the Han dynasty, around the adoption and Hetian jade material. Therefore, the exploitation and application of Tian Lan gradually lost. As well as the Ming Sung Ying-sing in the Heavenly Creations said Lantian for Congling (Kunlun Mountains) is an alias, Lantian jade land for the storage and transportation and so on inference. Geological department had not yet exploited the current Lan Tian studied. According to Gemstone Association, Yi-Bing-ao, vice president of research, Sh做爱nxi Xianyang Maoling unearthed in the vicinity of large-scale Shoumian Wen-Yu Fu s first that uses Lan Tian production, we can see the blue Tianmei Yu Han and Tang Dynasties were praised at the time of the ori…