What are the views of Song people on medicine and gold recorded in ancient books?

Jesson Wang, a native of Tingzhou, is familiar with "alchemy" and "tasting medicine, gold and silver to help the state spend". The pawn handed over our special envoy to Lingnan. The world calls it Mr. Burning Gold. Shen Kuo's "Meng Qian Bi Tan" (Volume 20) said: "Its gold and iron are all for it." . It was smelted at first, and the color was still black. Make a cake for every 120. Each cake is carved into eight pieces, which is called elegant gold. There are still Tibetans today. Someone ordered Fang Fang to be cast into a beetle, each with hundreds of gold medals. Turtles, for the near ministers, one for each. Besides relatives, there are seven people in the court. I learned that Zhao Yuqing should be buried under the treasures pavilion of the palace and the foundation of the temple, thinking it was a treasure town. Card, given to the world military prison, now known as jinbao card. "Notes on Lu You's Old Learning Hall in Song Dynasty" has been published for nine years: "At the end of Xuanhe, alchemist Liu Zhichang made a gold wheel and gave it to the Temple of Heaven, which was called Tianbao Wheel. As the saying goes, its method is mercury alchemy "Song Cai Brocade" Tiewei Mountain Congtan "Volume 6 said that Song Taizong was a skillful craftsman, making 30 gold belts, and its gold was purple grinding medicine gold. These records show that although Song people knew that drugs, gold and silver were not real gold and silver, they were still regarded as treasures.