Handmade by Coloratura Designs. Matte cracked agate, irregular matte agate with beautiful swirling shades of green, matte marbled glass, lava stone and silver resin rondelle. Agate increases connection to nature, boosts optimistim and increases our own sense of potential. Essential oils can be applied to the lava stones for aromatherapy use. Have your bracelet scented for free with purchase!