PROTECTION (Shield) Stones: Amethyst, Black Tourmaline, and Black Obsidian Planetary Influence: Neptune and Pluto Chakras: 6th and 1st Black Tourmaline deflects negativity instead of absorbing it. Amethyst initiates greater wisdom and also emits strong protective energies. Black Obsidian teaches us to find the light in darkness by releasing anything of lesser vibration. Gemdrop pendants are approx 3/4 to – 1 inch in diameter. These are very unique. Each gemdrop is individually made, so no two pieces are exactly alike. You will receive one (1) Protection Gemdrop Pendant similar to the one shown in the picture, blessed with Reiki and moonlight. All Gemdrop pendants come with black satin cord and information card.