There are two different types of jade: jadeite and nephrite, with jadeite being the more valuable of the two.
Jadeite is a wonderful gem that occurs naturally in 6 colors: green, lavender, red, yellow, white & black. The most valuable color of jadeite is known as imperial jade, which is a semi-transparent, emerald green.
Jade is a relatively soft gem, making it a great gem for carving. Although soft, jade is a very tough gem (i.e. difficult to break).
Jade has been a symbol of status in Chinese culture for thousands of years and is also appreciated for its spiritual connection.