Pretty & elegant pendant necklace, made out of 925 sterling silver, genuine onyx & marcasite. Bezel-set center oval in black onyx, surrounded by a zig-zag decorative frame encrusted with marcasite stones. Measures Approximately 1″ X 1″. Can come on a 16″ or 18″ matching chain, or a black suede choker. We'll email or call you to get your choice before we ship. The chain for this is custom created to match the antiqued look of the piece and go well with the marcasite stones.