Hematite is associated with the root chakra and it grounding, clearing confusion and feeling of being overwhelmed. This stone provides a clarity and practicality in life. You can feel the grounding energy just by holding the stone in your hand. It also has a cooling and calming effect, as well as helps develop concentration and focus. Overall, hematite brings a quality of energy that is powerful, strong, and grounding. Nickel Free And adjustable to fit (15 in.)