Multiple Color Chakra Bracelet - With Tourmaline, Opal, Charoite and More! Sterling Silver, 7 1/2" Natural 6mm Multiple Color Gemstones, Unique Gemstones used Bali Sterling Silver Beads Black Tourmaline, Lepidocrosite, Yellow Opal, Seraphinite, Hemimorphite, Charoite, Moonstone Aids in Balancing Energy (Chakra) Centers Size: 7 1/2". Stretch Bracelet