Pale greyish celadon jade river pebble from the Uyghur Autonomous Region in China, famous for its fine quality nephrite. This pebble was found in the White Jade River in Hetian (formerly known as Khotan). One side has a brown fluffy looking spot of ‘skin’. Length 3.5 cm. Width 2.1 cm. Depth 1.3 cm. Weight 14.3 grams.