Auralite 23 necklace 18 inches with sterling beads and findings. I can add an extension or make one a different length. Auralite 23 has only recently been discovered. It is rare as it is only found in one mine in the world; the Canadian Cave of Wonders. It was developed more than 1.2 billion years ago making it the world's oldest crystal gemstone. It is a very powerful crystal with the highest vibration holding the energies of 23 different elements and minerals: Titanite, Cacoxenite, Lepidocrosite, Ajoite, Hamatitie, Magnetite, Pyrite, Goethite, Pyrolusite, Gold, Silver, Platinum, Nickel, Copper, Iron, Limonite, Sphalerite, Covellite, Chalcopyrite, Gialite, epidote, Bornit, Rutile. Average stones contain at least 17 of the minerals. Auralite 23 provides a type of clarity through meditation, it is a strong healing stone, it can activate all 7 of the main chakras plus those above the head and below the feet plus much more. And it is a beautiful stone!