This dainty necklace is mostly made up of 4 millimeter faceted round black agate beads. In the center is 1 12 millimeter white coin pearl. The 20 inch long necklace closes with a silvertone lobster claw clasp.This dainty necklace is mostly made up of 4 millimeter faceted round black agate beads. In the center is 1 12 millimeter white coin pearl. The 20 inch long necklace closes with a silvertone lobster claw clasp.