Shop Tourmaline crystals, rough specimens, tumbles, bracelets and jewellery in black, pink, green, blue and multicoloured varieties. Tourmaline is a diverse mineral group with an extraordinary colour range, from protective-looking Schorl to bright gem material and Watermelon Tourmaline. Traditional associations vary by colour, but Tourmaline is broadly linked with balance, vitality and emotional wellbeing. Check listings for variety, treatment and origin.