Myths, folklore, and symbolism
jade In China jade, like gold, is closely associated with the yang principle and thus symbolizes vital energy and cosmic forces. It is an image of perfection and a symbol of the union of the five heavenly virtues (i.e., purity, immutability, clarity, euphony, and kindness) as well as the union of moral qualities and beauty. Jade was used as a universal medicament, was valued as nutrition for immaterial beings, and was the medicine that granted immortality or long life and protected the bodies of the deceased from decay.
In Central America jade symbolized the soul, the spirit, the heart; because of its green, transparent color, it was also related to vegetation, water, rain, and blood (because of the occasional interchangeability of the symbolic meanings of green and red). (Herder)