Dark green jade river pebble partly covered by a dark brown ‘skin’. It originates from the Uyghur Autonomous Region in China, famous for its fine quality nephrite. This pebble was found in the area around the city of Hetian (formerly known as Khotan). Length 3.4 cm. Width 1.9 cm. Depth 1.3 cm. Weight 11.2 grams.