How much is a gram of natural bezoar?

Calculus bovis refers to gallstones of cattle or buffalo, which can be used for relieving fever, detoxicating, relieving convulsion, and treating high fever, coma, madness, infantile convulsion and convulsion. External use can treat sore throat, sore mouth and tongue, carbuncle, etc. At present, bezoar is often artificial bezoar, and the price of natural bezoar is much higher, which is slightly the same as or higher than that of gold, mostly 300 to one gram of 400 yuan.