This stunning 100 mm Black Obsidian sphere weighs 1364 grams and showcases a deep, jet-black mirror-like polish. Expertly carved into a perfectly rounded form, the sphere displays a smooth, glassy surface with a high reflective sheen — a signature characteristic of natural volcanic obsidian. Black Obsidian is a naturally occurring volcanic glass formed from rapidly cooled lava. Its rich black tone and glossy finish make it both a powerful metaphysical stone and an elegant decorative piece. Specifications: Material: Natural Black Obsidian Diameter: 100 mm (10 cm) Weight: 1364 grams Finish: High polish, mirror-like surface Shape: Hand-carved sphere This piece is ideal for: Crystal collectors Meditation and energy work Home or office décor Gift for crystal enthusiasts