Green Tourmaline Rings

Tourmaline: Tourmaline is found in a wide range of colors from vivid pinks to verdant greens to Caribbean blue. Tourmaline is dichroic which means that a single gemstone displays two colors. Tourmaline is the alternate October birthstone. Tourmalines are mined in Brazil, Afghanistan, East Africa, and the United States.  Tourmaline rates 7 to 7 1/2 on the Mohs scale of hardness.

Enhancements: Although cutting is the most basic enhancement method necessary to display the beauty of a gemstone, there are many fascinating methods by which man has demonstrated his ability to draw maximum color, luster, clarity and brilliance from natures earthbound treasures. A basic understanding of these enhancement techniques will add to your appreciation of the beauty, durability and value of the gemstone jewelry you already own, or plan to purchase in the future. Dark blue, blue-green, and green tourmalines are occasionally heated to lighten their color. Red tourmalines (or rubellite) and pink varieties are often heated or irradiated to permanently improve their colors. You can assume that the green and seafoam tourmalines sold at MyJewelrySource have been heated unless stated otherwise. The Nigerian pink tourmalines at MyJewelrySource have not been heated and other varieties of pink may have been heated.