Five elements: earth, wood, earth, fire, gold and earth.
The five elements of soil are short of water, and the soil is rich in water, which can be dredged.
Wood is oriental blue; The fire is south and red; The soil is yellow in the center; Gold is western and white; The water in the north is black.
You can wear jet. Jade is not in the five elements originally, but it has the function of regulating the five elements.