Excavated From Inner Mongolia 红山文化煤精石玦 / B.C. 3000 ~ B.C. 5000 Ancient China // Size:1.24inches x 0.43 inches//////////////////The Hongshan Culture was a Neolithic culture in northeastern culture in northeastern China. Hongshan sites have been found in an area stretching from Inner Mongolia to Liaoning and dated from about 4700 to 2900 BC. The Hongshan burial artifacts include some of the earliest known examples of jade working.