Emerald belongs to gold. To say that jade is gold is to take its "hard" image (of course, not all jade has high hardness), and different types of jade contain metal components such as "iron" to some extent.

In other words, jade is a beautiful stone. Since it is a stone, it can be understood that the attribute of the five elements is earth, which is a popular definition.

As far as the essence of jade is concerned, it is the "earth behavior" in the five elements. The dictionary explains jade: jade, the beauty of stone, five virtues, gentleness and benevolence-there is no jade in Shuowen. -The Book of Rites and the Book of Songs. Shu: "Jade calls." Wu Yu. -"Yu Shu".

Jade is jade and belongs to the earth in the five elements. Jade, also known as jadeite, jadeite and Burmese jade, is a kind of jade, and its color is emerald or red. It is an important polycrystalline aggregate composed of jadeite, omphacite and sodium chromate formed during geological process, reaching the jade level.