These black tourmalinated quartz adjustable rings offers amplified wisdom, power, and protection. Black tourmaline is a powerful stone of protection that’s shielding, brings awareness, and relieves you from negative thought patterns. When coupled with clear quartz, you have a talisman that will serve as a magnified shield protecting you from lower vibrations. This listing is for one (1) black tourmalinated quartz adjustable ring. The stone measures about 0.9″.