The Hongshan Culture jade vessel is of cylindrical form similar to a horse shoe, with one side taller than the other, the jade is of celadon-brown color tone with stone veins.|Hongshan Culture period.||Height: 6 1/4 in (15.9 cm) Diameter: 5 in (12.7 cm)|紅山 大馬蹄器|玉質深綠色，雜有點狀沁色。器作扁圓筒形，上端外敞作斜口，下端略窄作平口。這類器型在出土時多發現于死者的頭部，所以現在學者傾向於認為其功能是巫師用於溝通天地的法器。