Jade
commemorates the 12th wedding anniversary. Jade has a long history in Asia and
South America. Some jade weapons and tools can be dated as far back as the Neolithic,
making one of the oldest known gemstones. Jade is said to bring wisdom and prosperity
to those who posses it, and this belief remains strong in many cultures to this
day.
Jade is a member of the nephrite mineral group. Jade has a hardness of 6-6.5 and a specific gravity of 2.95. Jade is found in Taiwan, Canada, Australia, New Zealand, China, the USA and the former USSR.