This bracelet is made with one Genuine Shungite with Pyrite round bead (10 mm) several Genuine Larvikite round beads (8 mm) and six Genuine Indigo Gabbro (Merlinite) round (8 mm) beads. It is 8 inches long, as pictured, but can be customized to fit. SHUNGITE – a very powerful, ancient stone; it detoxifies your body by absorbing and eliminating any negative or health hazardous energies. It is contains fullerenes, which are powerful anti-oxidants. It shields you from the electromagnetic radiation given off by electrical equipment, including computers, mobile phones, microwaves and televisions. This is the black form from Zazhoginskaya…MERLINITE (Indigo Gabbro) – Attracts powerful magic and good luck. Known to stimulate deep intuition, psychic knowing and mediumship. Very shamanistic, allows energy of the natural work communicate with elemental beings…..LARVIKITE – A grey feldspar with vivid silver-blue highlights. This stone is excellent for students as it’s an aid and excellent stone for achievement of goals and learning, it is used to increase memory capacity and understanding. In addition Larvikite is great for clarity of thought. Great for lucid dreaming….Crystal healing information is not meant to diagnose or as a replacement for regular medical care/ medications. Always work with your medical care provider as needed.