Top Plaza 7 Chakra Reiki Healing Tumble Gemstone Lava Stone Aromatherapy Essential Oil Diffuser Elastic Bracelet W/Tree of Life Charm/Tassel Material:100% Authentic Stone, bracelet is approximately 6.5".Lava stone Diameter:8mm. Lava stone is easily the oldest and most frequently found stone in world; It literally comes from the core of the earth- fiery brimstone that bubbles to the surface and cools.Once the stone is cool, it becomes porous and black, creating the beautiful black color so many have come to love. This is known as basalt, and can mostly be found in the ocean. Lava stone is also a perfect perfume /essential oil diffuser! It can keep the oil longer than the traditional leather discs or poms. Use the Lava Stones to absorb your favorite essential oils. The pores will trap the oil and slowly diffuse it throughout the day for added benefits! 7 Chakra Gemstone:Amethyst,Lapis Lazuli,Green Turquoise,Emperor Stone,Tiger Eye,Amber,Red Agate. Come with a beautiful velet bag printed"Top Plaza". Perfect gift for birthday, party, festival, such as Christmas, Thanksgiving Day etc.