Turquoise

(en français)Chemical Formula :
CuAl6(PO4)4(OH)8·4H2O.
Turquoise is a hydrated phosphate of aluminum and copper (copper aluminum phosphate).
Hardness :
5.5 - 6
Color :
sky blue, blue to green.
Locality :
U.S.A, Iran, Sinai, China, Tibet, Afgahnistan, Australia, Chile.
Origin :
The substance has been known by many names, but the word Turquoise was derived around the 16th century from the french language either from the word Turkish (Turquois) or dark blue stone (pierre turquin).
This may have arisen from a misconception: Turquoise does not occur in Turkey but was traded at turkish bazaars to Venetian merchants who brought it to Europe.
Physical and Spiritual Quality :
In many cultures of the old and new worlds, the Turquoise has been esteemed for thousands of years as a holy stone, it brings good fortune when is cut in talisman.
The Turquoise gives relaxation and peacefull feelings. It's a very protective stone.
Can bring abundance to whom willing to accept both in conscience and inconscience.
For those suffering from depression its recommended to wear a Turquoise or a chain with Turquoise beads.
The Turquoise cheerful color is said to endow reticent personalities with more confidence.
Turquoise can be also given as a gift, a stone of friendship, for the Turquoise is said to be responsible for faithfulness and constancy in relationships.
The Turquoise is good for physical and energetic balance of the lungs and can relieve the breathing in cases of asthma.