This necklace is made of a thick natural tourmaline slab on a necklace that measures approximately 17 inches in length. It's a very nice piece to own.Tourmaline Healing Properties:Tourmaline aids in understanding oneself and others.  It promotes self-confidence and diminishes fear.  Tourmaline attracts inspiration, compassion, tolerance and prosperity.  It balances the right-left sides of the brain.  Helps treat paranoia, overcomes dyslexia and improves hand-eye coordination.  Tourmaline releases tension, making it helpful for spinal adjustments.  It balances male-female energy within the body.  Enhances energy and removes blockages. In addition to the generic healing properties of Tourmaline, specific colours have additional attributes: Black Tourmaline - also known as Schorl Chakras - Base ChakraZodiac - CapricornElement - Earth Black Tourmaline can be used to both repel and protect against negativity.  It is excellent for deflecting radiation energy.  It enhances ones physical well being by providing an increase in physical vitality, emotional stability, and intellectual acuity.