Turquoise is the anniversary gemstone for the 5th and 11th years of marriage and the modern birthstone of December. It's one of the oldest gems used for jewelry dating back to 7000 B.C. Egypt. The presence of copper gives turquoise it's sky blue color.
According to gemstone lore, Turquoise offers prosperity and good luck. It's color represents the union of heaven and earth. Spiritual and protective, its a meditative grounder believed to enhance trust and kindness. A sacred stone for the North American Indians as well as the Tibetans, it is one of the most valuable non-transparent minerals of the jewelry trade.