PENDANT STONE: Onyx (natural) METAL : .925 Sterling Silver DIMENSIONS : 30 x 30 mm NECKLACE: Byzantine King chain METAL : .925 Sterling Silver LENGHT: 55 cm - 21.65 inches THICKNESS: 3 mm - 0.1 inches Seal Of Solomon, Talisman Pendant, Onyx Pendant, Necklace Unique, Unique Necklaces, Hand Engraving, Stone Pendants, Artisan Jewelry, Black Onyx