Black Tourmaline as the name suggests a Tourmaline specifically black in colour. This stone is commonly found in areas like Pakistan, Australia, Brazil, Sri Lanka, Africa, and the USA. The features of this stone are -

• Tourmaline helps to understand oneself and others.
• It encourages self-confidence and decreases anxiety.
• Tourmaline draws creativity, humanity, empathy, and stability.
• It matches the left-right side of the brain.
• Helps to treat paranoia, overcomes dyslexia, and increases hand-eye coordination. Tourmaline releases pain, making it useful for spinal adjustment.
• Black Tourmaline can be used to repel and guard against negativity.
• It's excellent for deflecting radioactive energy.
• It improves physical well-being by increasing physical strength, mental health, and intellectual acuity.
• Wear this crystal to guard against moaning, whining, complaining neighbours, or emotional vampires who burden you with their complaints but do nothing to change their circumstances.
• Tourmaline is specifically used for the prevention of motion sickness. It can also help add beauty and shine to the hair and nails.
• In the workplace, hold Black Tourmaline for a few minutes when you need to wake up your mind or when you need full concentration. 
• Protects from electromagnetic pollution and negative energies
• Enhances grounding
• Raise your physical energy
• Banishes Negativity and Pessimistic Thinking
• Enhances constructive thinking and innovation
• Reduces geopathic tension
• Strengthens the immune system
• Cleanses physical and etheric bodies
• Decreasing knee pain
• Relieves fear by making you aware of the moment on time.