An overview of the Tourmaline gemstone, its history and details on Aquamarine color, cut, clarity and pricing. Learn about tourmaline, a fascinating gemstone with a wide range of colors and unique properties. Discover its composition, crystal structure, formation, occurrence, types, history, uses, and more. Learn about Tourmaline, a colorful gemstone with various healing benefits for the heart, mind, body, and spirit. Discover its history, types, uses, and how to meditate with it. Tourmaline TrigonalXY3Z6Si6O18(BO3)3(O,OH)3(O,OH,F)The tourmaline group is a family of boron-bearing aluminium cyclosilicates that contain alkali elements (Na, Ca and even Li), Fe, and Mg. Notable members of the tourmaline group include elbaite, schorl, and dravite, which are common accessories
