What does the five elements of the ring belong to?

The five elements of the ring belong to gold. The pinyin of the character Huan is: huan, the traditional Chinese character of Huan is: Huan (if there is no traditional character, the original character is displayed), the number of strokes in naming the character Huan: 18, the arithmetic of the naming of the character Huan is good or bad: Ji, whether Huan is a surname: yes.

Huan, huán, from Wang Congluo. A round jade object with a hole in the middle. (1) Phonetic form. From jade, the sound is huán. Original meaning: round jade with a hole in the middle. (2) Same original meaning. The original meaning of [jade bracelet] refers to a round jade with a hole in the middle. In chemistry, it mostly refers to a structure composed of a circle of crystal elements or a secondary structure of protein. In addition, ring is also a special term in the field of mathematics. ?