Large Black Tourmalines are highly valued crystals that are known for their unique properties. They have a deep black color and a natural prism shape that makes them a popular choice for jewelry and decorative objects. Some of the key features of Black Tourmalines include their durability, natural beauty, and rarity. Their benefits include promoting emotional balance, enhancing personal power and self-confidence, and protecting against negative energies. Additionally, Black Tourmalines are believed to have grounding properties and can be used to aid in the treatment of physical ailments such as arthritis and digestive issues. Overall, Large Black Tourmalines are powerful stones that have a wide range of physical, emotional, and spiritual benefits.