ONE ION 10mm Authentic Black Tourmaline Bracelet with Jewel Box - 3 Sizes 100% Proudly handcrafted! Features authentic black tourmaline beads and sturdy elastic cord in stretch style. Originated from Brazil, each of the 10mm black tourmaline beads is the king of uniqueness - for its uniquely long and slender, and think prismatic texture. No other gemstone is quite perfectly and naturally chiseled like black tourmaline. Black tourmaline increases physical vitality, replacing tension and stress with the ability to view the world objectively with clear, rational thought and neutrality. Inspires a positive attitude, no matter the circumstances, and stimulates altruism and practical creativity. Comfortably fit, sturdily stranded, these black tourmaline bracelets are perfect for any occasions. Each bracelet comes with a presentable gift box. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.