Black Tourmaline
These are A-Grade Black Tourmaline from Brazil.
Each piece measures between 1-3 inches
A Tourmaline stone is said to help repel and protect against negativity. It is excellent for defecting radiation energy. It enhances ones physical well being by providing and increase in physical vitality, emotion stability which helps with relieving stress, and intellectual acuity. It is also a strong radiation block and EMF protector.