Description Click on product picture to enlarge. Stone: Genuine Black Onyx, White Topaz (Authentic) Material: 925 Sterling Silver (925 Stamped) Stone(s) Size: (Black Onyx) 37mm x 23mm (1), 32mm x 19mm (2), 26mm x 19mm (2), 25mm x 16mm (2),       (White Topaz) 20mmx 10mm (2), 9mm x 9 mm (4), 7-8mm Round (5) Depth: 4-5mm (White Topaz), 6-7mm (Black Onyx) Drop Length: 5cm Necklace Length: 50cm (with adjustable links) Weight: 107 Grams Click on the link to find out about Metaphysical Properties of Black Onyx and White Topaz. The picture is of the actual item you will receive, color of natural stones may vary.