Part of the Geo Alchemy collection Comes in 2 shapes: Circle, Triangle Made of Brass Comes in US sizes 5 to 15.5 Stack-able design The Amethyst Geo Ring is inspired by the perfect harmony between crystals and metals, honored through our favorite esoteric symbols. Amethyst is known for its metaphysical abilities to still the mind and inspire an enhanced meditative state. Its inherent high frequency purifies the aura of any negative energy or attachments, and creates a protective shield of Light around the body. Select your desired size and shape below Every Luni item is made to order , so please allow 1 to 2 weeks for shipment. Please be advised that these earrings are made of Brass. If you are allergic to Brass it can cause a bad reaction.