Gemstone Essential Oil Roller Bottle allows the oils to be applied precisely and easily to the skin. The ball is made of smoothly polished amethyst. The stones placed inside provide a unique visual effect, it is also believed that they enhance the effect of the given mixture. Amethyst is believed to have healing properties, that protect the bearer against negative energies. The stone also brings clarity and peacefulness to the waking mind, It is also said it can control evil thoughts, initiate wisdom and think more clearly. Gemstone Roller Bottles can be filled with Essential Oils, Perfumes Oils, DIY Sample Blends, Essence, Aromatherapy and other liquids.