Xi Geological Survey (Hepingmen), address: Yanta North Road 100, Xi City.
Xi 'an Jewellery Identification Center (Gaoxin Road)
Address: 7th Floor, Quality Inspection Building, No.26 Keji Road, Hi-tech Zone, Xi City (200m east of the intersection of Gaoxin Road and Keji Road)
Xi Institute of Geology and Mineral Resources (Nanshaomen) Address: No.438 Youyi East Road, Xi.
Extended data:
Jade.
Zhou Li Chun Guan Dianrui: "Dianrui, Zhang, the treasure of jade." Han Huan Tan's "New Theory": "Luoyang Ji Youke has a small jade inspection, and Wei Zibo is good at jade, which is strange at first sight." Chapter 28 of Heroes of Children: "The house is not like a jade stall or a foreign goods shop, but only some famous ancient paintings. Zhou Ding is still righteous and has a good location." Xu Chi's "Phoenix in the Fire": "They robbed Yi Ding of three generations, Qin and Han dynasties, and at least more than 1,000 pieces of jade and bronze mirrors."