WORLD HISTORY

Detailed explanation-1: -jade, either of two tough, compact, typically green gemstones that take a high polish. Both minerals have been carved into jewelry, ornaments, small sculptures, and utilitarian objects from earliest recorded times. The more highly prized of the two jadestones is jadeite; the other is nephrite . jade.

Detailed explanation-2: -Next to certain rare colors of diamond (such as blue, pink and red), jade is the world’s most expensive gem, with prices far above even ruby and sapphire.

Detailed explanation-3: -Jade is a term used to describe two different silicate minerals-jadeite and nephrite. Jadeite is a sodium-aluminum silicate rock with a polycrystalline structure. It belongs to a group of rock-forming minerals called pyroxene (which includes minerals such as diopside and spodumene).