Jade Bracelet / Bangle
(estimate 2500 - 2000 BC)
An early neolitic jade bracelet or burial bangle, now fully calcified. Although fully calified the surface of the bracelet retains its original polished surface. The bracelet has cracked into two pieces revealing the internal calcification.
Some similar examples from the Smithsonian
Freer Gallery of Art and Arther M. Sacker Gallery