The Master Manifestor Bracelet is crafted with 10mm Lavender Amethyst and Tourmalinated Quartz. It's available in standard 7 inches in size. Gemstone Magic & Lore~ Black Tourmalinated Quartz Sometimes we feel tiredness that goes deeper than our bones: we feel uncharacteristically cloudy, hazy and lazy; but the tiredness is in our soul. Use it to keep yourself beaming from within. This gemstone combines the properties of Clear Quartz and Black Tourmaline. The meshing of these two minerals creates a powerful healing energy that works together to restore harmony and tranquility. Clear Quartz brings clarity into your life and Black Tourmaline is a powerful crystal for protection and elimination of negative energy.