Herkimer diamond quartz are very high vibrational double-terminated quartz crystals. The "diamond" in its name is due to both the clarity and natural faceting of the quartz crystals. Herkimer diamond quartz crystals possess double termination points and 18 total faces (six on each point, six around the center). Herkimer diamonds are very rare crystals, have a distinct and harmonious energy that is extremely valuable for healing. They are very useful when utilized to empower other gemstones, and work use in creating crystal grids. While very tiny, these rare and amazing crystals have a very high vibration. The Herkimer diamond quartz crystals available are A+/AA grade. Size: 10 mm. (You will receive the exact item shown.) Chakras: All, Element: Storm.