Colors vary from sky blue, greenish blue, or pale green depending on the quantities of copper within it. Richer color types are the most appreciated. The most preferred color is a strong sky blue. Turquoise was one of the first gemstones ever mined, dating back to 6000 BC, in Egypt's Sinai Peninsula.
The name turquoise comes from the same French word, Turquoise, meaning Turkish, since it originally arrived in Europe through Turkey originating in Iran. It has been used for thousands of years for jewelry by the Ancient Egyptians, who buried fine pieced with mummies.