Natural Obsidian crystal touchstone. Pocket sized and concave to fit in the palm of your hand. Also called a meditation stone or worry stone. Obsidian is known for its strong protective properties. It creates a shield of energy around the wearer, guarding against negativity. Pocket-sized and with a near-perfect sheen, the Silver Obsidian Worry Stone brings strength, protection, truth, and grounding - making it a must-have mascot throughout the day.