Natural Lava Rock Beads Strands, Round, BlackSize: about 8mm in diameter, hole: 1mm, about 46~48pcs/strand, 15.4 inch.Made from volcanic rocks, smooth Lava Rock rock beads have natural cavities and tunnels, giving them a primitive look. Beads have been slightly surface-oiled to make them feel smooth and to improve surface durability and add weight to the bead for use in jewelry-making.
