Matte Dog Teeth Amethyst Gemstone Modern Beaded Stretch Bracelet Kit (featuring Dakota Stones & TierraCast). Dog Teeth Amethyst has a purple and white striped appearance due to its combination of Amethyst and White Quartz. The name derives from the recurring chevron or “dog teeth” pattern of the stripes. Dog Teeth Amethyst is believed to help soften resistance to change and dispel negativity. Metaphysical Attributes: Change. Each DIY kit comes with detailed instructions and all components you need to complete this bracelet. No special tools are required for this kit, but a simple pair of scissors. *Note - this kit includes a sharp needle. Please use caution when opening your kit and while using the needle.