We just learned about two of the ancient Chinese Six Ritual Jades: Cong - earth and Bi - sky/heaven.
Another of the Six Ritual Jades was the huang.
This jade sculpture was in the shape of an arc, and was worn as a pendant sometimes.
The arc shape was made for the direction of "North".
Sometimes the ends of these sculptures were carved into tigers or dragons.
![huang](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Huang_with_interlocked_dragon_design.jpg/640px-Huang_with_interlocked_dragon_design.jpg)
![huang](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Huang_with_two_dragon_heads.jpg/640px-Huang_with_two_dragon_heads.jpg)
(from: wikipedia - huang (jade))
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