Jadeite is the principal mineral making up the most valuable form of Jade, a precious stone particularly prized in China. Most gem-quality Jadeite-Jade comes from northern Myanmar. Jade tools and implements have been found at Stone Age sites. showing that the mineral has been prized by humans since before the beginning of written history.
It is a member of the monoclinic crystal system.
Metaphysically, Jadeite can influence not only health, but prosperity.