Introduction to Dahua Colored Jade: Large Fossil is the abbreviation of Dahua Colored Jade. The large fossil is produced in the river section near Yantan Hydropower Station in Dahua County, Guangxi. The large fossils have strange shapes and various postures; their patterns and patterns are endlessly changing; and their colors are bright. When they appear, they cause a sensation in Guangxi, become well-known in China, and have influence all over the world.