The black agate stone is one of the most ancient gemstones known to mankind. As mentioned earlier, it has the best grounding effects and, as per the crystal healers, it possesses strong balancing and centering effects. The stone has a very close connection to your root chakra. Hence, it is believed that they help to resolve inner conflicts and promote the inner healing process. This gemstone is known for promoting stability and helps you stay grounded. 
Beads 10mm Weighs 30g.