A bracelet made from Sodalite is a luxurious blue gemstone known to help relieve insomnia. It can be worn every day and can also be paired with a Silver Dolphin Tail Pendant Necklace.. What's Inside. Component: 1 Onyx Sodalite Natural Stone Bracelet. Size:. Size M: recommended to wear over 15.5cm wrist circumference. Size S: recommended to wear under 15.5cm wrist circumference. Materials: Sodalite, Onyx, and Brass (Plated)