Product Description Excel International Natural Lava Stones 7 Chakra Bracelet for Reiki/Yoga Good Luck. Lava stone is easily the oldest and most frequently found stone in the 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. Chakras have only recently become more well-known, with the growth in popularity of yoga New Age philosophies in general. They are a complex ancient energy system that originated in India. They were first mentioned in the Vedas, ancient sacred texts of spiritual knowledge dating from 1500 to 1000 BC. About this item 7 Chakra: Amethyst: Offers calmness/peace(Relief stree and anxiety); Clear Crystal: Balance, light, divinity; Sodalite: Healing breaches in communication; Green Aventurine: Opportunity; Yellow Aventurine: Focus, creativity; Red Agate: Protects; Red Stone: Strengthen body, promote power and courage. 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. Bracelet Size(approx): Bead Dia: 8MM Tree of life Chakra Bracelet: 6.8 Inches Chakra Bracelet Without Charm: 7 Inches.