Turquoise has always been considered a stone of life and good fortune, with even healing properties. This opaque stone belong to the Feldspaths class, such as Lapis-Lazuli ad Labradorite. It is composed of iron, copper, aluminium, phosphorous, hydrogen and oxygen. Turquoise absorb minerals that surrounds her, the blue colour comes from the copper, and iron oxide reacts by providing sometime a green tone, and also those black (can also be red) cracks drawing a kind a spider web.
According to the Aztec, the Turquoise was directly associated with the sun. For the American Indians it was essential to the magic of wizards. Turquoise encourages also freedom of action and individual creativity.