Crafted from sterling silver, this Art Deco inspired necklace features a black onyx gemstone decorated with metallic marcasite gemstones. This elegant necklace design channels Art Deco inspirations through its sparkling embellishments and geometric lines.Onyx Information: Number of Stones: 1 Stone Shape: Stone Size: 8mm x 5mm Carat Weight: 1ct Natural/Created: Natural Onyx Country of Origin: Brazil marcasite Information: Number of Stones: 8 Stone Shape: Round Stone Size: 1 x (1.30mm) | 1 x (1.20mm) | 6 x (0.90mm) Carat Weight: 0.07ct Natural/Created: Natural marcasite Country of Origin: Austria