Sapphire tube

[Blue jade tube]

The jade is turquoise and yellow throughout. The vessel is a round tube with one end thick and one end thin. The surface is fully carved with cloud pattern using the yin carving technique. A through hole in the middle is used for threading
This kind of tubular vessel is also known as “”. It was popular in the Spring and Autumn Period and the Warring States Period. Although it is a small jade carving, it has a variety of shapes, mainly round and square, and some even make outline carving outside the tube. The surface is either plain without grain or carved with various patterns, which is very exquisite. These small jade articles are mostly used for ornament, and some are also used for inlay