JADE

Jade:  The "stone of the loins" is how the Spanish refer to jade - "piedras de ijada" - and it is from this colorful phrase that we derive the English name for this most unusual of gems. Jade is tougher than granite and more difficult to carve than solid steel. Long associated with the Chinese culture, Jade was actually used by the Central American Mayan civilization hundreds of years before it attained a royal position in the Middle Kingdom. The Mayans used it for  weapons and tools. 

The "Stone of Heaven" was very influential with the Chinese emperors.
For almost a thousand years, jadeite  was used for courage, wisdom, justice, mercy, emotional balance, stamina, love, fidelity, humility, generosity, peace, harmony.
Jade is believed to bring good luck, health and fortune, assist during childbirth and protect infants from disease. Very good for relaxation being a health, wealth, longevity stone with a gentle, steady energy. Helpful to lungs, heart, thymus, immune, kidney and blood detoxification, nervous system.