This listing is for a Black Onyx Black Banded Agate Quartz Heart weighing 85g (3.10 Oz) and measuring 2 inches. The heart-shaped crystal combines the properties of black onyx, black banded agate, and quartz, making it a unique and visually striking piece for collectors or crystal enthusiasts. With its dark and banded appearance, this crystal specimen could be a beautiful addition to any collection or used for decorative purposes.